Home / 136,096.19-187,813.65-82,381.65

Finding the Fourth Proportional to 136,096.19, 187,813.65 and 82,381.65

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Solution

The fourth proportional to 136,096.19, 187,813.65 and 82,381.65 is: 113,687.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,096.19 : 187,813.65 = 82,381.65 : x
  2. Step 2: Convert to fraction form
    136,096.19/187,813.65 = 82,381.65/x
  3. Step 3: Cross multiply
    136,096.19x = 187,813.65 × 82,381.65
  4. Step 4: Simplify right side
    136,096.19x = 15,472,398,379.52
  5. Step 5: Solve for x
    x = 15,472,398,379.52/136,096.19
  6. Step 6: Final answer
    x = 113,687.23

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1.5x scale

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.