Home / 167,399.43-251,034.88-71,275.70

Finding the Fourth Proportional to 167,399.43, 251,034.88 and 71,275.70

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Solution

The fourth proportional to 167,399.43, 251,034.88 and 71,275.70 is: 106,886.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,399.43 : 251,034.88 = 71,275.70 : x
  2. Step 2: Convert to fraction form
    167,399.43/251,034.88 = 71,275.70/x
  3. Step 3: Cross multiply
    167,399.43x = 251,034.88 × 71,275.70
  4. Step 4: Simplify right side
    167,399.43x = 17,892,685,363.05
  5. Step 5: Solve for x
    x = 17,892,685,363.05/167,399.43
  6. Step 6: Final answer
    x = 106,886.18

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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.