Home / 136,517.90-204,869.10-47,772.17

Finding the Fourth Proportional to 136,517.90, 204,869.10 and 47,772.17

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Solution

The fourth proportional to 136,517.90, 204,869.10 and 47,772.17 is: 71,690.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,517.90 : 204,869.10 = 47,772.17 : x
  2. Step 2: Convert to fraction form
    136,517.90/204,869.10 = 47,772.17/x
  3. Step 3: Cross multiply
    136,517.90x = 204,869.10 × 47,772.17
  4. Step 4: Simplify right side
    136,517.90x = 9,787,040,448.60
  5. Step 5: Solve for x
    x = 9,787,040,448.60/136,517.90
  6. Step 6: Final answer
    x = 71,690.53

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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.