Home / 129,350.10-194,025.15-97,857.30

Finding the Fourth Proportional to 129,350.10, 194,025.15 and 97,857.30

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Solution

The fourth proportional to 129,350.10, 194,025.15 and 97,857.30 is: 146,785.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,350.10 : 194,025.15 = 97,857.30 : x
  2. Step 2: Convert to fraction form
    129,350.10/194,025.15 = 97,857.30/x
  3. Step 3: Cross multiply
    129,350.10x = 194,025.15 × 97,857.30
  4. Step 4: Simplify right side
    129,350.10x = 18,986,777,311.10
  5. Step 5: Solve for x
    x = 18,986,777,311.10/129,350.10
  6. Step 6: Final answer
    x = 146,785.95

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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.