Home / 260,882.30-391,272.12-83,341.46

Finding the Fourth Proportional to 260,882.30, 391,272.12 and 83,341.46

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Solution

The fourth proportional to 260,882.30, 391,272.12 and 83,341.46 is: 124,995.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,882.30 : 391,272.12 = 83,341.46 : x
  2. Step 2: Convert to fraction form
    260,882.30/391,272.12 = 83,341.46/x
  3. Step 3: Cross multiply
    260,882.30x = 391,272.12 × 83,341.46
  4. Step 4: Simplify right side
    260,882.30x = 32,609,189,738.10
  5. Step 5: Solve for x
    x = 32,609,189,738.10/260,882.30
  6. Step 6: Final answer
    x = 124,995.79

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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.