Home / 147,715.30-221,572.95-132,969.70

Finding the Fourth Proportional to 147,715.30, 221,572.95 and 132,969.70

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Solution

The fourth proportional to 147,715.30, 221,572.95 and 132,969.70 is: 199,454.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,715.30 : 221,572.95 = 132,969.70 : x
  2. Step 2: Convert to fraction form
    147,715.30/221,572.95 = 132,969.70/x
  3. Step 3: Cross multiply
    147,715.30x = 221,572.95 × 132,969.70
  4. Step 4: Simplify right side
    147,715.30x = 29,462,488,689.62
  5. Step 5: Solve for x
    x = 29,462,488,689.62/147,715.30
  6. Step 6: Final answer
    x = 199,454.55

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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.