Home / 195,414.60-292,895.10-90,244.20

Finding the Fourth Proportional to 195,414.60, 292,895.10 and 90,244.20

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Solution

The fourth proportional to 195,414.60, 292,895.10 and 90,244.20 is: 135,261.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,414.60 : 292,895.10 = 90,244.20 : x
  2. Step 2: Convert to fraction form
    195,414.60/292,895.10 = 90,244.20/x
  3. Step 3: Cross multiply
    195,414.60x = 292,895.10 × 90,244.20
  4. Step 4: Simplify right side
    195,414.60x = 26,432,083,983.42
  5. Step 5: Solve for x
    x = 26,432,083,983.42/195,414.60
  6. Step 6: Final answer
    x = 135,261.56

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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.