Home / 250,116.12-375,174.18-84,020.76

Finding the Fourth Proportional to 250,116.12, 375,174.18 and 84,020.76

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Solution

The fourth proportional to 250,116.12, 375,174.18 and 84,020.76 is: 126,031.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,116.12 : 375,174.18 = 84,020.76 : x
  2. Step 2: Convert to fraction form
    250,116.12/375,174.18 = 84,020.76/x
  3. Step 3: Cross multiply
    250,116.12x = 375,174.18 × 84,020.76
  4. Step 4: Simplify right side
    250,116.12x = 31,522,419,735.98
  5. Step 5: Solve for x
    x = 31,522,419,735.98/250,116.12
  6. Step 6: Final answer
    x = 126,031.14

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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.