Home / 136,343.97-188,149.14-75,912.93

Finding the Fourth Proportional to 136,343.97, 188,149.14 and 75,912.93

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Solution

The fourth proportional to 136,343.97, 188,149.14 and 75,912.93 is: 104,756.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,343.97 : 188,149.14 = 75,912.93 : x
  2. Step 2: Convert to fraction form
    136,343.97/188,149.14 = 75,912.93/x
  3. Step 3: Cross multiply
    136,343.97x = 188,149.14 × 75,912.93
  4. Step 4: Simplify right side
    136,343.97x = 14,282,952,494.38
  5. Step 5: Solve for x
    x = 14,282,952,494.38/136,343.97
  6. Step 6: Final answer
    x = 104,756.76

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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.