Home / 136,385.40-188,160.92-136,175.13

Finding the Fourth Proportional to 136,385.40, 188,160.92 and 136,175.13

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Solution

The fourth proportional to 136,385.40, 188,160.92 and 136,175.13 is: 187,870.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,385.40 : 188,160.92 = 136,175.13 : x
  2. Step 2: Convert to fraction form
    136,385.40/188,160.92 = 136,175.13/x
  3. Step 3: Cross multiply
    136,385.40x = 188,160.92 × 136,175.13
  4. Step 4: Simplify right side
    136,385.40x = 25,622,837,061.04
  5. Step 5: Solve for x
    x = 25,622,837,061.04/136,385.40
  6. Step 6: Final answer
    x = 187,870.82

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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.