Home / 106,158.24-159,264.91-31,281.04

Finding the Fourth Proportional to 106,158.24, 159,264.91 and 31,281.04

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Solution

The fourth proportional to 106,158.24, 159,264.91 and 31,281.04 is: 46,929.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,158.24 : 159,264.91 = 31,281.04 : x
  2. Step 2: Convert to fraction form
    106,158.24/159,264.91 = 31,281.04/x
  3. Step 3: Cross multiply
    106,158.24x = 159,264.91 × 31,281.04
  4. Step 4: Simplify right side
    106,158.24x = 4,981,972,020.31
  5. Step 5: Solve for x
    x = 4,981,972,020.31/106,158.24
  6. Step 6: Final answer
    x = 46,929.68

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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.