Home / 141,235.10-194,857.02-79,972.92

Finding the Fourth Proportional to 141,235.10, 194,857.02 and 79,972.92

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Solution

The fourth proportional to 141,235.10, 194,857.02 and 79,972.92 is: 110,335.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,235.10 : 194,857.02 = 79,972.92 : x
  2. Step 2: Convert to fraction form
    141,235.10/194,857.02 = 79,972.92/x
  3. Step 3: Cross multiply
    141,235.10x = 194,857.02 × 79,972.92
  4. Step 4: Simplify right side
    141,235.10x = 15,583,284,871.90
  5. Step 5: Solve for x
    x = 15,583,284,871.90/141,235.10
  6. Step 6: Final answer
    x = 110,335.78

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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.