Home / 158,391.14-218,545.76-93,880.58

Finding the Fourth Proportional to 158,391.14, 218,545.76 and 93,880.58

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Solution

The fourth proportional to 158,391.14, 218,545.76 and 93,880.58 is: 129,535.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,391.14 : 218,545.76 = 93,880.58 : x
  2. Step 2: Convert to fraction form
    158,391.14/218,545.76 = 93,880.58/x
  3. Step 3: Cross multiply
    158,391.14x = 218,545.76 × 93,880.58
  4. Step 4: Simplify right side
    158,391.14x = 20,517,201,847.31
  5. Step 5: Solve for x
    x = 20,517,201,847.31/158,391.14
  6. Step 6: Final answer
    x = 129,535.04

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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.