Home / 175,086.46-262,711.72-86,291.52

Finding the Fourth Proportional to 175,086.46, 262,711.72 and 86,291.52

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Solution

The fourth proportional to 175,086.46, 262,711.72 and 86,291.52 is: 129,477.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,086.46 : 262,711.72 = 86,291.52 : x
  2. Step 2: Convert to fraction form
    175,086.46/262,711.72 = 86,291.52/x
  3. Step 3: Cross multiply
    175,086.46x = 262,711.72 × 86,291.52
  4. Step 4: Simplify right side
    175,086.46x = 22,669,793,640.61
  5. Step 5: Solve for x
    x = 22,669,793,640.61/175,086.46
  6. Step 6: Final answer
    x = 129,477.71

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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.