Home / 181,664.40-272,545.20-129,176.40

Finding the Fourth Proportional to 181,664.40, 272,545.20 and 129,176.40

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Solution

The fourth proportional to 181,664.40, 272,545.20 and 129,176.40 is: 193,799.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,664.40 : 272,545.20 = 129,176.40 : x
  2. Step 2: Convert to fraction form
    181,664.40/272,545.20 = 129,176.40/x
  3. Step 3: Cross multiply
    181,664.40x = 272,545.20 × 129,176.40
  4. Step 4: Simplify right side
    181,664.40x = 35,206,407,773.28
  5. Step 5: Solve for x
    x = 35,206,407,773.28/181,664.40
  6. Step 6: Final answer
    x = 193,799.16

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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.