Home / 175,044.80-262,567.20-86,471.30

Finding the Fourth Proportional to 175,044.80, 262,567.20 and 86,471.30

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Solution

The fourth proportional to 175,044.80, 262,567.20 and 86,471.30 is: 129,706.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,044.80 : 262,567.20 = 86,471.30 : x
  2. Step 2: Convert to fraction form
    175,044.80/262,567.20 = 86,471.30/x
  3. Step 3: Cross multiply
    175,044.80x = 262,567.20 × 86,471.30
  4. Step 4: Simplify right side
    175,044.80x = 22,704,527,121.36
  5. Step 5: Solve for x
    x = 22,704,527,121.36/175,044.80
  6. Step 6: Final answer
    x = 129,706.95

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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.