Home / 351,986.07-527,932.17-99,286.86

Finding the Fourth Proportional to 351,986.07, 527,932.17 and 99,286.86

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Solution

The fourth proportional to 351,986.07, 527,932.17 and 99,286.86 is: 148,917.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,986.07 : 527,932.17 = 99,286.86 : x
  2. Step 2: Convert to fraction form
    351,986.07/527,932.17 = 99,286.86/x
  3. Step 3: Cross multiply
    351,986.07x = 527,932.17 × 99,286.86
  4. Step 4: Simplify right side
    351,986.07x = 52,416,727,452.29
  5. Step 5: Solve for x
    x = 52,416,727,452.29/351,986.07
  6. Step 6: Final answer
    x = 148,917.05

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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.