Home / 136,184.96-204,310.24-42,690.72

Finding the Fourth Proportional to 136,184.96, 204,310.24 and 42,690.72

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Solution

The fourth proportional to 136,184.96, 204,310.24 and 42,690.72 is: 64,046.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,184.96 : 204,310.24 = 42,690.72 : x
  2. Step 2: Convert to fraction form
    136,184.96/204,310.24 = 42,690.72/x
  3. Step 3: Cross multiply
    136,184.96x = 204,310.24 × 42,690.72
  4. Step 4: Simplify right side
    136,184.96x = 8,722,151,248.97
  5. Step 5: Solve for x
    x = 8,722,151,248.97/136,184.96
  6. Step 6: Final answer
    x = 64,046.36

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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.