Home / 351,351.38-527,025.18-85,111.76

Finding the Fourth Proportional to 351,351.38, 527,025.18 and 85,111.76

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Solution

The fourth proportional to 351,351.38, 527,025.18 and 85,111.76 is: 127,667.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,351.38 : 527,025.18 = 85,111.76 : x
  2. Step 2: Convert to fraction form
    351,351.38/527,025.18 = 85,111.76/x
  3. Step 3: Cross multiply
    351,351.38x = 527,025.18 × 85,111.76
  4. Step 4: Simplify right side
    351,351.38x = 44,856,040,634.12
  5. Step 5: Solve for x
    x = 44,856,040,634.12/351,351.38
  6. Step 6: Final answer
    x = 127,667.18

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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.