Home / 261,014.20-391,521.30-182,282.20

Finding the Fourth Proportional to 261,014.20, 391,521.30 and 182,282.20

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Solution

The fourth proportional to 261,014.20, 391,521.30 and 182,282.20 is: 273,423.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,014.20 : 391,521.30 = 182,282.20 : x
  2. Step 2: Convert to fraction form
    261,014.20/391,521.30 = 182,282.20/x
  3. Step 3: Cross multiply
    261,014.20x = 391,521.30 × 182,282.20
  4. Step 4: Simplify right side
    261,014.20x = 71,367,363,910.86
  5. Step 5: Solve for x
    x = 71,367,363,910.86/261,014.20
  6. Step 6: Final answer
    x = 273,423.30

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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.