Home / 124,286.76-186,592.80-73,778.04

Finding the Fourth Proportional to 124,286.76, 186,592.80 and 73,778.04

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Solution

The fourth proportional to 124,286.76, 186,592.80 and 73,778.04 is: 110,763.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,286.76 : 186,592.80 = 73,778.04 : x
  2. Step 2: Convert to fraction form
    124,286.76/186,592.80 = 73,778.04/x
  3. Step 3: Cross multiply
    124,286.76x = 186,592.80 × 73,778.04
  4. Step 4: Simplify right side
    124,286.76x = 13,766,451,062.11
  5. Step 5: Solve for x
    x = 13,766,451,062.11/124,286.76
  6. Step 6: Final answer
    x = 110,763.62

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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.