Home / 136,518.33-204,869.76-47,772.61

Finding the Fourth Proportional to 136,518.33, 204,869.76 and 47,772.61

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Solution

The fourth proportional to 136,518.33, 204,869.76 and 47,772.61 is: 71,691.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,518.33 : 204,869.76 = 47,772.61 : x
  2. Step 2: Convert to fraction form
    136,518.33/204,869.76 = 47,772.61/x
  3. Step 3: Cross multiply
    136,518.33x = 204,869.76 × 47,772.61
  4. Step 4: Simplify right side
    136,518.33x = 9,787,162,722.67
  5. Step 5: Solve for x
    x = 9,787,162,722.67/136,518.33
  6. Step 6: Final answer
    x = 71,691.20

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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.