Home / 168,146.12-232,034.46-91,663.39

Finding the Fourth Proportional to 168,146.12, 232,034.46 and 91,663.39

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Solution

The fourth proportional to 168,146.12, 232,034.46 and 91,663.39 is: 126,491.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,146.12 : 232,034.46 = 91,663.39 : x
  2. Step 2: Convert to fraction form
    168,146.12/232,034.46 = 91,663.39/x
  3. Step 3: Cross multiply
    168,146.12x = 232,034.46 × 91,663.39
  4. Step 4: Simplify right side
    168,146.12x = 21,269,065,146.72
  5. Step 5: Solve for x
    x = 21,269,065,146.72/168,146.12
  6. Step 6: Final answer
    x = 126,491.56

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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.