Home / 133,685.43-200,518.29-49,406.28

Finding the Fourth Proportional to 133,685.43, 200,518.29 and 49,406.28

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Solution

The fourth proportional to 133,685.43, 200,518.29 and 49,406.28 is: 74,105.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,685.43 : 200,518.29 = 49,406.28 : x
  2. Step 2: Convert to fraction form
    133,685.43/200,518.29 = 49,406.28/x
  3. Step 3: Cross multiply
    133,685.43x = 200,518.29 × 49,406.28
  4. Step 4: Simplify right side
    133,685.43x = 9,906,862,780.86
  5. Step 5: Solve for x
    x = 9,906,862,780.86/133,685.43
  6. Step 6: Final answer
    x = 74,105.78

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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.