Home / 661,956.30-992,944.17-163,320.30

Finding the Fourth Proportional to 661,956.30, 992,944.17 and 163,320.30

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Solution

The fourth proportional to 661,956.30, 992,944.17 and 163,320.30 is: 244,982.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,956.30 : 992,944.17 = 163,320.30 : x
  2. Step 2: Convert to fraction form
    661,956.30/992,944.17 = 163,320.30/x
  3. Step 3: Cross multiply
    661,956.30x = 992,944.17 × 163,320.30
  4. Step 4: Simplify right side
    661,956.30x = 162,167,939,727.65
  5. Step 5: Solve for x
    x = 162,167,939,727.65/661,956.30
  6. Step 6: Final answer
    x = 244,982.85

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Double scale
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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.