Home / 156,724.80-235,087.20-38,397.30

Finding the Fourth Proportional to 156,724.80, 235,087.20 and 38,397.30

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Solution

The fourth proportional to 156,724.80, 235,087.20 and 38,397.30 is: 57,595.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,724.80 : 235,087.20 = 38,397.30 : x
  2. Step 2: Convert to fraction form
    156,724.80/235,087.20 = 38,397.30/x
  3. Step 3: Cross multiply
    156,724.80x = 235,087.20 × 38,397.30
  4. Step 4: Simplify right side
    156,724.80x = 9,026,713,744.56
  5. Step 5: Solve for x
    x = 9,026,713,744.56/156,724.80
  6. Step 6: Final answer
    x = 57,595.95

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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.