Home / 129,944.20-194,916.30-94,952.20

Finding the Fourth Proportional to 129,944.20, 194,916.30 and 94,952.20

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Solution

The fourth proportional to 129,944.20, 194,916.30 and 94,952.20 is: 142,428.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,944.20 : 194,916.30 = 94,952.20 : x
  2. Step 2: Convert to fraction form
    129,944.20/194,916.30 = 94,952.20/x
  3. Step 3: Cross multiply
    129,944.20x = 194,916.30 × 94,952.20
  4. Step 4: Simplify right side
    129,944.20x = 18,507,731,500.86
  5. Step 5: Solve for x
    x = 18,507,731,500.86/129,944.20
  6. Step 6: Final answer
    x = 142,428.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.