Home / 134,472.11-201,709.79-45,727.43

Finding the Fourth Proportional to 134,472.11, 201,709.79 and 45,727.43

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Solution

The fourth proportional to 134,472.11, 201,709.79 and 45,727.43 is: 68,591.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,472.11 : 201,709.79 = 45,727.43 : x
  2. Step 2: Convert to fraction form
    134,472.11/201,709.79 = 45,727.43/x
  3. Step 3: Cross multiply
    134,472.11x = 201,709.79 × 45,727.43
  4. Step 4: Simplify right side
    134,472.11x = 9,223,670,073.90
  5. Step 5: Solve for x
    x = 9,223,670,073.90/134,472.11
  6. Step 6: Final answer
    x = 68,591.70

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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.