Home / 357,747.31-536,867.00-147,385.25

Finding the Fourth Proportional to 357,747.31, 536,867.00 and 147,385.25

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Solution

The fourth proportional to 357,747.31, 536,867.00 and 147,385.25 is: 221,179.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,747.31 : 536,867.00 = 147,385.25 : x
  2. Step 2: Convert to fraction form
    357,747.31/536,867.00 = 147,385.25/x
  3. Step 3: Cross multiply
    357,747.31x = 536,867.00 × 147,385.25
  4. Step 4: Simplify right side
    357,747.31x = 79,126,273,590.49
  5. Step 5: Solve for x
    x = 79,126,273,590.49/357,747.31
  6. Step 6: Final answer
    x = 221,179.23

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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.