Home / 168,119.10-232,001.19-91,638.90

Finding the Fourth Proportional to 168,119.10, 232,001.19 and 91,638.90

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Solution

The fourth proportional to 168,119.10, 232,001.19 and 91,638.90 is: 126,459.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,119.10 : 232,001.19 = 91,638.90 : x
  2. Step 2: Convert to fraction form
    168,119.10/232,001.19 = 91,638.90/x
  3. Step 3: Cross multiply
    168,119.10x = 232,001.19 × 91,638.90
  4. Step 4: Simplify right side
    168,119.10x = 21,260,333,850.29
  5. Step 5: Solve for x
    x = 21,260,333,850.29/168,119.10
  6. Step 6: Final answer
    x = 126,459.96

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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.