Home / 148,327.38-204,691.98-80,345.10

Finding the Fourth Proportional to 148,327.38, 204,691.98 and 80,345.10

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Solution

The fourth proportional to 148,327.38, 204,691.98 and 80,345.10 is: 110,876.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,327.38 : 204,691.98 = 80,345.10 : x
  2. Step 2: Convert to fraction form
    148,327.38/204,691.98 = 80,345.10/x
  3. Step 3: Cross multiply
    148,327.38x = 204,691.98 × 80,345.10
  4. Step 4: Simplify right side
    148,327.38x = 16,445,997,602.30
  5. Step 5: Solve for x
    x = 16,445,997,602.30/148,327.38
  6. Step 6: Final answer
    x = 110,876.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.