Home / 498,722.20-748,083.30-183,138.10

Finding the Fourth Proportional to 498,722.20, 748,083.30 and 183,138.10

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Solution

The fourth proportional to 498,722.20, 748,083.30 and 183,138.10 is: 274,707.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,722.20 : 748,083.30 = 183,138.10 : x
  2. Step 2: Convert to fraction form
    498,722.20/748,083.30 = 183,138.10/x
  3. Step 3: Cross multiply
    498,722.20x = 748,083.30 × 183,138.10
  4. Step 4: Simplify right side
    498,722.20x = 137,002,554,203.73
  5. Step 5: Solve for x
    x = 137,002,554,203.73/498,722.20
  6. Step 6: Final answer
    x = 274,707.15

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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.