Home / 260,877.20-391,491.16-92,396.92

Finding the Fourth Proportional to 260,877.20, 391,491.16 and 92,396.92

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Solution

The fourth proportional to 260,877.20, 391,491.16 and 92,396.92 is: 138,657.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,877.20 : 391,491.16 = 92,396.92 : x
  2. Step 2: Convert to fraction form
    260,877.20/391,491.16 = 92,396.92/x
  3. Step 3: Cross multiply
    260,877.20x = 391,491.16 × 92,396.92
  4. Step 4: Simplify right side
    260,877.20x = 36,172,577,391.23
  5. Step 5: Solve for x
    x = 36,172,577,391.23/260,877.20
  6. Step 6: Final answer
    x = 138,657.49

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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.