Home / 136,502.11-188,321.67-82,767.52

Finding the Fourth Proportional to 136,502.11, 188,321.67 and 82,767.52

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Solution

The fourth proportional to 136,502.11, 188,321.67 and 82,767.52 is: 114,188.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,502.11 : 188,321.67 = 82,767.52 : x
  2. Step 2: Convert to fraction form
    136,502.11/188,321.67 = 82,767.52/x
  3. Step 3: Cross multiply
    136,502.11x = 188,321.67 × 82,767.52
  4. Step 4: Simplify right side
    136,502.11x = 15,586,917,588.16
  5. Step 5: Solve for x
    x = 15,586,917,588.16/136,502.11
  6. Step 6: Final answer
    x = 114,188.11

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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.