Home / 134,553.75-185,684.18-74,937.75

Finding the Fourth Proportional to 134,553.75, 185,684.18 and 74,937.75

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Solution

The fourth proportional to 134,553.75, 185,684.18 and 74,937.75 is: 103,414.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,553.75 : 185,684.18 = 74,937.75 : x
  2. Step 2: Convert to fraction form
    134,553.75/185,684.18 = 74,937.75/x
  3. Step 3: Cross multiply
    134,553.75x = 185,684.18 × 74,937.75
  4. Step 4: Simplify right side
    134,553.75x = 13,914,754,659.80
  5. Step 5: Solve for x
    x = 13,914,754,659.80/134,553.75
  6. Step 6: Final answer
    x = 103,414.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.