Home / 137,023.20-205,638.68-58,192.80

Finding the Fourth Proportional to 137,023.20, 205,638.68 and 58,192.80

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Solution

The fourth proportional to 137,023.20, 205,638.68 and 58,192.80 is: 87,333.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,023.20 : 205,638.68 = 58,192.80 : x
  2. Step 2: Convert to fraction form
    137,023.20/205,638.68 = 58,192.80/x
  3. Step 3: Cross multiply
    137,023.20x = 205,638.68 × 58,192.80
  4. Step 4: Simplify right side
    137,023.20x = 11,966,690,577.50
  5. Step 5: Solve for x
    x = 11,966,690,577.50/137,023.20
  6. Step 6: Final answer
    x = 87,333.32

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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.