Home / 137,575.22-206,328.20-53,306.46

Finding the Fourth Proportional to 137,575.22, 206,328.20 and 53,306.46

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Solution

The fourth proportional to 137,575.22, 206,328.20 and 53,306.46 is: 79,946.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,575.22 : 206,328.20 = 53,306.46 : x
  2. Step 2: Convert to fraction form
    137,575.22/206,328.20 = 53,306.46/x
  3. Step 3: Cross multiply
    137,575.22x = 206,328.20 × 53,306.46
  4. Step 4: Simplify right side
    137,575.22x = 10,998,625,673.64
  5. Step 5: Solve for x
    x = 10,998,625,673.64/137,575.22
  6. Step 6: Final answer
    x = 79,946.27

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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.