Home / 374,371.12-561,474.20-108,073.76

Finding the Fourth Proportional to 374,371.12, 561,474.20 and 108,073.76

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Solution

The fourth proportional to 374,371.12, 561,474.20 and 108,073.76 is: 162,086.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,371.12 : 561,474.20 = 108,073.76 : x
  2. Step 2: Convert to fraction form
    374,371.12/561,474.20 = 108,073.76/x
  3. Step 3: Cross multiply
    374,371.12x = 561,474.20 × 108,073.76
  4. Step 4: Simplify right side
    374,371.12x = 60,680,627,936.99
  5. Step 5: Solve for x
    x = 60,680,627,936.99/374,371.12
  6. Step 6: Final answer
    x = 162,086.83

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1.5x scale

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.