Home / 136,554.26-188,475.05-88,724.57

Finding the Fourth Proportional to 136,554.26, 188,475.05 and 88,724.57

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Solution

The fourth proportional to 136,554.26, 188,475.05 and 88,724.57 is: 122,459.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,554.26 : 188,475.05 = 88,724.57 : x
  2. Step 2: Convert to fraction form
    136,554.26/188,475.05 = 88,724.57/x
  3. Step 3: Cross multiply
    136,554.26x = 188,475.05 × 88,724.57
  4. Step 4: Simplify right side
    136,554.26x = 16,722,367,046.41
  5. Step 5: Solve for x
    x = 16,722,367,046.41/136,554.26
  6. Step 6: Final answer
    x = 122,459.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.