Home / 136,246.86-187,914.15-88,515.59

Finding the Fourth Proportional to 136,246.86, 187,914.15 and 88,515.59

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Solution

The fourth proportional to 136,246.86, 187,914.15 and 88,515.59 is: 122,082.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,246.86 : 187,914.15 = 88,515.59 : x
  2. Step 2: Convert to fraction form
    136,246.86/187,914.15 = 88,515.59/x
  3. Step 3: Cross multiply
    136,246.86x = 187,914.15 × 88,515.59
  4. Step 4: Simplify right side
    136,246.86x = 16,633,330,917.03
  5. Step 5: Solve for x
    x = 16,633,330,917.03/136,246.86
  6. Step 6: Final answer
    x = 122,082.31

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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.