Home / 113,162.48-169,721.84-107,542.72

Finding the Fourth Proportional to 113,162.48, 169,721.84 and 107,542.72

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Solution

The fourth proportional to 113,162.48, 169,721.84 and 107,542.72 is: 161,293.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,162.48 : 169,721.84 = 107,542.72 : x
  2. Step 2: Convert to fraction form
    113,162.48/169,721.84 = 107,542.72/x
  3. Step 3: Cross multiply
    113,162.48x = 169,721.84 × 107,542.72
  4. Step 4: Simplify right side
    113,162.48x = 18,252,348,317.00
  5. Step 5: Solve for x
    x = 18,252,348,317.00/113,162.48
  6. Step 6: Final answer
    x = 161,293.29

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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.