Home / 141,974.88-195,925.49-81,557.20

Finding the Fourth Proportional to 141,974.88, 195,925.49 and 81,557.20

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Solution

The fourth proportional to 141,974.88, 195,925.49 and 81,557.20 is: 112,549.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,974.88 : 195,925.49 = 81,557.20 : x
  2. Step 2: Convert to fraction form
    141,974.88/195,925.49 = 81,557.20/x
  3. Step 3: Cross multiply
    141,974.88x = 195,925.49 × 81,557.20
  4. Step 4: Simplify right side
    141,974.88x = 15,979,134,373.03
  5. Step 5: Solve for x
    x = 15,979,134,373.03/141,974.88
  6. Step 6: Final answer
    x = 112,549.03

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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.