Home / 168,177.71-252,261.10-68,308.36

Finding the Fourth Proportional to 168,177.71, 252,261.10 and 68,308.36

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Solution

The fourth proportional to 168,177.71, 252,261.10 and 68,308.36 is: 102,460.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,177.71 : 252,261.10 = 68,308.36 : x
  2. Step 2: Convert to fraction form
    168,177.71/252,261.10 = 68,308.36/x
  3. Step 3: Cross multiply
    168,177.71x = 252,261.10 × 68,308.36
  4. Step 4: Simplify right side
    168,177.71x = 17,231,541,487.53
  5. Step 5: Solve for x
    x = 17,231,541,487.53/168,177.71
  6. Step 6: Final answer
    x = 102,460.32

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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.