Home / 136,321.60-204,701.10-92,144.20

Finding the Fourth Proportional to 136,321.60, 204,701.10 and 92,144.20

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Solution

The fourth proportional to 136,321.60, 204,701.10 and 92,144.20 is: 138,364.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,321.60 : 204,701.10 = 92,144.20 : x
  2. Step 2: Convert to fraction form
    136,321.60/204,701.10 = 92,144.20/x
  3. Step 3: Cross multiply
    136,321.60x = 204,701.10 × 92,144.20
  4. Step 4: Simplify right side
    136,321.60x = 18,862,019,098.62
  5. Step 5: Solve for x
    x = 18,862,019,098.62/136,321.60
  6. Step 6: Final answer
    x = 138,364.13

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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.