Home / 137,139.15-205,634.76-62,218.42

Finding the Fourth Proportional to 137,139.15, 205,634.76 and 62,218.42

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Solution

The fourth proportional to 137,139.15, 205,634.76 and 62,218.42 is: 93,294.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,139.15 : 205,634.76 = 62,218.42 : x
  2. Step 2: Convert to fraction form
    137,139.15/205,634.76 = 62,218.42/x
  3. Step 3: Cross multiply
    137,139.15x = 205,634.76 × 62,218.42
  4. Step 4: Simplify right side
    137,139.15x = 12,794,269,466.85
  5. Step 5: Solve for x
    x = 12,794,269,466.85/137,139.15
  6. Step 6: Final answer
    x = 93,294.07

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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.