Home / 113,331.88-169,842.30-71,704.36

Finding the Fourth Proportional to 113,331.88, 169,842.30 and 71,704.36

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Solution

The fourth proportional to 113,331.88, 169,842.30 and 71,704.36 is: 107,458.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,331.88 : 169,842.30 = 71,704.36 : x
  2. Step 2: Convert to fraction form
    113,331.88/169,842.30 = 71,704.36/x
  3. Step 3: Cross multiply
    113,331.88x = 169,842.30 × 71,704.36
  4. Step 4: Simplify right side
    113,331.88x = 12,178,433,422.43
  5. Step 5: Solve for x
    x = 12,178,433,422.43/113,331.88
  6. Step 6: Final answer
    x = 107,458.14

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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.