Home / 136,385.65-188,161.26-136,175.38

Finding the Fourth Proportional to 136,385.65, 188,161.26 and 136,175.38

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Solution

The fourth proportional to 136,385.65, 188,161.26 and 136,175.38 is: 187,871.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,385.65 : 188,161.26 = 136,175.38 : x
  2. Step 2: Convert to fraction form
    136,385.65/188,161.26 = 136,175.38/x
  3. Step 3: Cross multiply
    136,385.65x = 188,161.26 × 136,175.38
  4. Step 4: Simplify right side
    136,385.65x = 25,622,931,081.78
  5. Step 5: Solve for x
    x = 25,622,931,081.78/136,385.65
  6. Step 6: Final answer
    x = 187,871.17

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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.