Home / 137,817.18-206,424.37-97,714.61

Finding the Fourth Proportional to 137,817.18, 206,424.37 and 97,714.61

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Solution

The fourth proportional to 137,817.18, 206,424.37 and 97,714.61 is: 146,358.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,817.18 : 206,424.37 = 97,714.61 : x
  2. Step 2: Convert to fraction form
    137,817.18/206,424.37 = 97,714.61/x
  3. Step 3: Cross multiply
    137,817.18x = 206,424.37 × 97,714.61
  4. Step 4: Simplify right side
    137,817.18x = 20,170,676,184.20
  5. Step 5: Solve for x
    x = 20,170,676,184.20/137,817.18
  6. Step 6: Final answer
    x = 146,358.21

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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.