Home / 141,708.09-195,553.17-77,175.87

Finding the Fourth Proportional to 141,708.09, 195,553.17 and 77,175.87

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Solution

The fourth proportional to 141,708.09, 195,553.17 and 77,175.87 is: 106,500.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,708.09 : 195,553.17 = 77,175.87 : x
  2. Step 2: Convert to fraction form
    141,708.09/195,553.17 = 77,175.87/x
  3. Step 3: Cross multiply
    141,708.09x = 195,553.17 × 77,175.87
  4. Step 4: Simplify right side
    141,708.09x = 15,091,986,026.01
  5. Step 5: Solve for x
    x = 15,091,986,026.01/141,708.09
  6. Step 6: Final answer
    x = 106,500.53

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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.