Home / 136,766.85-188,838.23-88,397.39

Finding the Fourth Proportional to 136,766.85, 188,838.23 and 88,397.39

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Solution

The fourth proportional to 136,766.85, 188,838.23 and 88,397.39 is: 122,053.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,766.85 : 188,838.23 = 88,397.39 : x
  2. Step 2: Convert to fraction form
    136,766.85/188,838.23 = 88,397.39/x
  3. Step 3: Cross multiply
    136,766.85x = 188,838.23 × 88,397.39
  4. Step 4: Simplify right side
    136,766.85x = 16,692,806,694.33
  5. Step 5: Solve for x
    x = 16,692,806,694.33/136,766.85
  6. Step 6: Final answer
    x = 122,053.02

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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.