Home / 167,403.43-251,040.88-71,279.74

Finding the Fourth Proportional to 167,403.43, 251,040.88 and 71,279.74

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Solution

The fourth proportional to 167,403.43, 251,040.88 and 71,279.74 is: 106,892.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,403.43 : 251,040.88 = 71,279.74 : x
  2. Step 2: Convert to fraction form
    167,403.43/251,040.88 = 71,279.74/x
  3. Step 3: Cross multiply
    167,403.43x = 251,040.88 × 71,279.74
  4. Step 4: Simplify right side
    167,403.43x = 17,894,128,655.77
  5. Step 5: Solve for x
    x = 17,894,128,655.77/167,403.43
  6. Step 6: Final answer
    x = 106,892.25

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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.