Home / 124,470.72-186,538.68-68,226.48

Finding the Fourth Proportional to 124,470.72, 186,538.68 and 68,226.48

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Solution

The fourth proportional to 124,470.72, 186,538.68 and 68,226.48 is: 102,247.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,470.72 : 186,538.68 = 68,226.48 : x
  2. Step 2: Convert to fraction form
    124,470.72/186,538.68 = 68,226.48/x
  3. Step 3: Cross multiply
    124,470.72x = 186,538.68 × 68,226.48
  4. Step 4: Simplify right side
    124,470.72x = 12,726,877,520.25
  5. Step 5: Solve for x
    x = 12,726,877,520.25/124,470.72
  6. Step 6: Final answer
    x = 102,247.96

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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.