Home / 168,039.90-231,892.47-92,591.10

Finding the Fourth Proportional to 168,039.90, 231,892.47 and 92,591.10

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Solution

The fourth proportional to 168,039.90, 231,892.47 and 92,591.10 is: 127,774.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,039.90 : 231,892.47 = 92,591.10 : x
  2. Step 2: Convert to fraction form
    168,039.90/231,892.47 = 92,591.10/x
  3. Step 3: Cross multiply
    168,039.90x = 231,892.47 × 92,591.10
  4. Step 4: Simplify right side
    168,039.90x = 21,471,178,879.02
  5. Step 5: Solve for x
    x = 21,471,178,879.02/168,039.90
  6. Step 6: Final answer
    x = 127,774.29

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1.5x scale

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.