Home / 661,736.56-992,604.94-163,100.56

Finding the Fourth Proportional to 661,736.56, 992,604.94 and 163,100.56

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Solution

The fourth proportional to 661,736.56, 992,604.94 and 163,100.56 is: 244,650.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,736.56 : 992,604.94 = 163,100.56 : x
  2. Step 2: Convert to fraction form
    661,736.56/992,604.94 = 163,100.56/x
  3. Step 3: Cross multiply
    661,736.56x = 992,604.94 × 163,100.56
  4. Step 4: Simplify right side
    661,736.56x = 161,894,421,572.77
  5. Step 5: Solve for x
    x = 161,894,421,572.77/661,736.56
  6. Step 6: Final answer
    x = 244,650.86

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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.