Home / 157,359.40-236,499.90-137,084.20

Finding the Fourth Proportional to 157,359.40, 236,499.90 and 137,084.20

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Solution

The fourth proportional to 157,359.40, 236,499.90 and 137,084.20 is: 206,027.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,359.40 : 236,499.90 = 137,084.20 : x
  2. Step 2: Convert to fraction form
    157,359.40/236,499.90 = 137,084.20/x
  3. Step 3: Cross multiply
    157,359.40x = 236,499.90 × 137,084.20
  4. Step 4: Simplify right side
    157,359.40x = 32,420,399,591.58
  5. Step 5: Solve for x
    x = 32,420,399,591.58/157,359.40
  6. Step 6: Final answer
    x = 206,027.73

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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.