Home / 168,042.60-231,897.74-91,566.18

Finding the Fourth Proportional to 168,042.60, 231,897.74 and 91,566.18

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Solution

The fourth proportional to 168,042.60, 231,897.74 and 91,566.18 is: 126,360.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,042.60 : 231,897.74 = 91,566.18 : x
  2. Step 2: Convert to fraction form
    168,042.60/231,897.74 = 91,566.18/x
  3. Step 3: Cross multiply
    168,042.60x = 231,897.74 × 91,566.18
  4. Step 4: Simplify right side
    168,042.60x = 21,233,989,744.60
  5. Step 5: Solve for x
    x = 21,233,989,744.60/168,042.60
  6. Step 6: Final answer
    x = 126,360.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.