Home / 161,665.60-242,542.20-61,773.16

Finding the Fourth Proportional to 161,665.60, 242,542.20 and 61,773.16

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Solution

The fourth proportional to 161,665.60, 242,542.20 and 61,773.16 is: 92,676.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,665.60 : 242,542.20 = 61,773.16 : x
  2. Step 2: Convert to fraction form
    161,665.60/242,542.20 = 61,773.16/x
  3. Step 3: Cross multiply
    161,665.60x = 242,542.20 × 61,773.16
  4. Step 4: Simplify right side
    161,665.60x = 14,982,598,127.35
  5. Step 5: Solve for x
    x = 14,982,598,127.35/161,665.60
  6. Step 6: Final answer
    x = 92,676.48

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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.