Home / 260,713.12-391,127.28-94,496.80

Finding the Fourth Proportional to 260,713.12, 391,127.28 and 94,496.80

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Solution

The fourth proportional to 260,713.12, 391,127.28 and 94,496.80 is: 141,766.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,713.12 : 391,127.28 = 94,496.80 : x
  2. Step 2: Convert to fraction form
    260,713.12/391,127.28 = 94,496.80/x
  3. Step 3: Cross multiply
    260,713.12x = 391,127.28 × 94,496.80
  4. Step 4: Simplify right side
    260,713.12x = 36,960,276,352.70
  5. Step 5: Solve for x
    x = 36,960,276,352.70/260,713.12
  6. Step 6: Final answer
    x = 141,766.08

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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.