Home / 136,764.47-188,586.18-88,929.11

Finding the Fourth Proportional to 136,764.47, 188,586.18 and 88,929.11

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Solution

The fourth proportional to 136,764.47, 188,586.18 and 88,929.11 is: 122,625.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,764.47 : 188,586.18 = 88,929.11 : x
  2. Step 2: Convert to fraction form
    136,764.47/188,586.18 = 88,929.11/x
  3. Step 3: Cross multiply
    136,764.47x = 188,586.18 × 88,929.11
  4. Step 4: Simplify right side
    136,764.47x = 16,770,801,617.17
  5. Step 5: Solve for x
    x = 16,770,801,617.17/136,764.47
  6. Step 6: Final answer
    x = 122,625.43

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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.