Home / 136,175.90-187,934.09-75,757.92

Finding the Fourth Proportional to 136,175.90, 187,934.09 and 75,757.92

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Solution

The fourth proportional to 136,175.90, 187,934.09 and 75,757.92 is: 104,552.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,175.90 : 187,934.09 = 75,757.92 : x
  2. Step 2: Convert to fraction form
    136,175.90/187,934.09 = 75,757.92/x
  3. Step 3: Cross multiply
    136,175.90x = 187,934.09 × 75,757.92
  4. Step 4: Simplify right side
    136,175.90x = 14,237,495,376.70
  5. Step 5: Solve for x
    x = 14,237,495,376.70/136,175.90
  6. Step 6: Final answer
    x = 104,552.24

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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.