Home / 140,753.39-194,242.50-77,091.23

Finding the Fourth Proportional to 140,753.39, 194,242.50 and 77,091.23

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Solution

The fourth proportional to 140,753.39, 194,242.50 and 77,091.23 is: 106,387.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,753.39 : 194,242.50 = 77,091.23 : x
  2. Step 2: Convert to fraction form
    140,753.39/194,242.50 = 77,091.23/x
  3. Step 3: Cross multiply
    140,753.39x = 194,242.50 × 77,091.23
  4. Step 4: Simplify right side
    140,753.39x = 14,974,392,272.06
  5. Step 5: Solve for x
    x = 14,974,392,272.06/140,753.39
  6. Step 6: Final answer
    x = 106,387.44

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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.