Home / 175,380.80-262,898.40-86,561.60

Finding the Fourth Proportional to 175,380.80, 262,898.40 and 86,561.60

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Solution

The fourth proportional to 175,380.80, 262,898.40 and 86,561.60 is: 129,757.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,380.80 : 262,898.40 = 86,561.60 : x
  2. Step 2: Convert to fraction form
    175,380.80/262,898.40 = 86,561.60/x
  3. Step 3: Cross multiply
    175,380.80x = 262,898.40 × 86,561.60
  4. Step 4: Simplify right side
    175,380.80x = 22,756,906,141.44
  5. Step 5: Solve for x
    x = 22,756,906,141.44/175,380.80
  6. Step 6: Final answer
    x = 129,757.11

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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.