Home / 168,047.08-231,921.32-125,531.80

Finding the Fourth Proportional to 168,047.08, 231,921.32 and 125,531.80

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Solution

The fourth proportional to 168,047.08, 231,921.32 and 125,531.80 is: 173,246.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,047.08 : 231,921.32 = 125,531.80 : x
  2. Step 2: Convert to fraction form
    168,047.08/231,921.32 = 125,531.80/x
  3. Step 3: Cross multiply
    168,047.08x = 231,921.32 × 125,531.80
  4. Step 4: Simplify right side
    168,047.08x = 29,113,500,757.98
  5. Step 5: Solve for x
    x = 29,113,500,757.98/168,047.08
  6. Step 6: Final answer
    x = 173,246.10

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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.