Home / 254,568.56-381,902.04-86,116.28

Finding the Fourth Proportional to 254,568.56, 381,902.04 and 86,116.28

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Solution

The fourth proportional to 254,568.56, 381,902.04 and 86,116.28 is: 129,191.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,568.56 : 381,902.04 = 86,116.28 : x
  2. Step 2: Convert to fraction form
    254,568.56/381,902.04 = 86,116.28/x
  3. Step 3: Cross multiply
    254,568.56x = 381,902.04 × 86,116.28
  4. Step 4: Simplify right side
    254,568.56x = 32,887,981,099.70
  5. Step 5: Solve for x
    x = 32,887,981,099.70/254,568.56
  6. Step 6: Final answer
    x = 129,191.06

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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.