Home / 175,716.80-263,575.20-129,060.80

Finding the Fourth Proportional to 175,716.80, 263,575.20 and 129,060.80

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Solution

The fourth proportional to 175,716.80, 263,575.20 and 129,060.80 is: 193,591.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,716.80 : 263,575.20 = 129,060.80 : x
  2. Step 2: Convert to fraction form
    175,716.80/263,575.20 = 129,060.80/x
  3. Step 3: Cross multiply
    175,716.80x = 263,575.20 × 129,060.80
  4. Step 4: Simplify right side
    175,716.80x = 34,017,226,172.16
  5. Step 5: Solve for x
    x = 34,017,226,172.16/175,716.80
  6. Step 6: Final answer
    x = 193,591.20

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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.