Home / 141,418.34-195,158.03-77,760.23

Finding the Fourth Proportional to 141,418.34, 195,158.03 and 77,760.23

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Solution

The fourth proportional to 141,418.34, 195,158.03 and 77,760.23 is: 107,309.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,418.34 : 195,158.03 = 77,760.23 : x
  2. Step 2: Convert to fraction form
    141,418.34/195,158.03 = 77,760.23/x
  3. Step 3: Cross multiply
    141,418.34x = 195,158.03 × 77,760.23
  4. Step 4: Simplify right side
    141,418.34x = 15,175,531,934.56
  5. Step 5: Solve for x
    x = 15,175,531,934.56/141,418.34
  6. Step 6: Final answer
    x = 107,309.51

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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.