Home / 240,565.92-331,976.40-133,136.04

Finding the Fourth Proportional to 240,565.92, 331,976.40 and 133,136.04

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Solution

The fourth proportional to 240,565.92, 331,976.40 and 133,136.04 is: 183,725.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,565.92 : 331,976.40 = 133,136.04 : x
  2. Step 2: Convert to fraction form
    240,565.92/331,976.40 = 133,136.04/x
  3. Step 3: Cross multiply
    240,565.92x = 331,976.40 × 133,136.04
  4. Step 4: Simplify right side
    240,565.92x = 44,198,023,269.46
  5. Step 5: Solve for x
    x = 44,198,023,269.46/240,565.92
  6. Step 6: Final answer
    x = 183,725.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.