Home / 254,850.75-382,037.37-86,253.04

Finding the Fourth Proportional to 254,850.75, 382,037.37 and 86,253.04

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Solution

The fourth proportional to 254,850.75, 382,037.37 and 86,253.04 is: 129,298.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,850.75 : 382,037.37 = 86,253.04 : x
  2. Step 2: Convert to fraction form
    254,850.75/382,037.37 = 86,253.04/x
  3. Step 3: Cross multiply
    254,850.75x = 382,037.37 × 86,253.04
  4. Step 4: Simplify right side
    254,850.75x = 32,951,884,556.10
  5. Step 5: Solve for x
    x = 32,951,884,556.10/254,850.75
  6. Step 6: Final answer
    x = 129,298.75

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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.