Home / 147,943.92-221,948.72-42,754.92

Finding the Fourth Proportional to 147,943.92, 221,948.72 and 42,754.92

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Solution

The fourth proportional to 147,943.92, 221,948.72 and 42,754.92 is: 64,141.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,943.92 : 221,948.72 = 42,754.92 : x
  2. Step 2: Convert to fraction form
    147,943.92/221,948.72 = 42,754.92/x
  3. Step 3: Cross multiply
    147,943.92x = 221,948.72 × 42,754.92
  4. Step 4: Simplify right side
    147,943.92x = 9,489,399,767.70
  5. Step 5: Solve for x
    x = 9,489,399,767.70/147,943.92
  6. Step 6: Final answer
    x = 64,141.87

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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.