Home / 172,091.28-237,403.19-111,680.87

Finding the Fourth Proportional to 172,091.28, 237,403.19 and 111,680.87

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Solution

The fourth proportional to 172,091.28, 237,403.19 and 111,680.87 is: 154,065.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,091.28 : 237,403.19 = 111,680.87 : x
  2. Step 2: Convert to fraction form
    172,091.28/237,403.19 = 111,680.87/x
  3. Step 3: Cross multiply
    172,091.28x = 237,403.19 × 111,680.87
  4. Step 4: Simplify right side
    172,091.28x = 26,513,394,241.57
  5. Step 5: Solve for x
    x = 26,513,394,241.57/172,091.28
  6. Step 6: Final answer
    x = 154,065.88

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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.