Home / 136,246.35-187,913.45-88,515.08

Finding the Fourth Proportional to 136,246.35, 187,913.45 and 88,515.08

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Solution

The fourth proportional to 136,246.35, 187,913.45 and 88,515.08 is: 122,081.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,246.35 : 187,913.45 = 88,515.08 : x
  2. Step 2: Convert to fraction form
    136,246.35/187,913.45 = 88,515.08/x
  3. Step 3: Cross multiply
    136,246.35x = 187,913.45 × 88,515.08
  4. Step 4: Simplify right side
    136,246.35x = 16,633,174,059.83
  5. Step 5: Solve for x
    x = 16,633,174,059.83/136,246.35
  6. Step 6: Final answer
    x = 122,081.61

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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.