Home / 260,855.17-391,416.20-124,232.95

Finding the Fourth Proportional to 260,855.17, 391,416.20 and 124,232.95

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Solution

The fourth proportional to 260,855.17, 391,416.20 and 124,232.95 is: 186,412.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,855.17 : 391,416.20 = 124,232.95 : x
  2. Step 2: Convert to fraction form
    260,855.17/391,416.20 = 124,232.95/x
  3. Step 3: Cross multiply
    260,855.17x = 391,416.20 × 124,232.95
  4. Step 4: Simplify right side
    260,855.17x = 48,626,786,625.54
  5. Step 5: Solve for x
    x = 48,626,786,625.54/260,855.17
  6. Step 6: Final answer
    x = 186,412.97

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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.