Home / 661,734.56-992,601.95-163,098.56

Finding the Fourth Proportional to 661,734.56, 992,601.95 and 163,098.56

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Solution

The fourth proportional to 661,734.56, 992,601.95 and 163,098.56 is: 244,647.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,734.56 : 992,601.95 = 163,098.56 : x
  2. Step 2: Convert to fraction form
    661,734.56/992,601.95 = 163,098.56/x
  3. Step 3: Cross multiply
    661,734.56x = 992,601.95 × 163,098.56
  4. Step 4: Simplify right side
    661,734.56x = 161,891,950,364.20
  5. Step 5: Solve for x
    x = 161,891,950,364.20/661,734.56
  6. Step 6: Final answer
    x = 244,647.87

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.