Home / 118,711.17-178,084.40-34,472.07

Finding the Fourth Proportional to 118,711.17, 178,084.40 and 34,472.07

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Solution

The fourth proportional to 118,711.17, 178,084.40 and 34,472.07 is: 51,713.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,711.17 : 178,084.40 = 34,472.07 : x
  2. Step 2: Convert to fraction form
    118,711.17/178,084.40 = 34,472.07/x
  3. Step 3: Cross multiply
    118,711.17x = 178,084.40 × 34,472.07
  4. Step 4: Simplify right side
    118,711.17x = 6,138,937,730.35
  5. Step 5: Solve for x
    x = 6,138,937,730.35/118,711.17
  6. Step 6: Final answer
    x = 51,713.23

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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.