Home / 218,402.24-327,655.20-113,270.72

Finding the Fourth Proportional to 218,402.24, 327,655.20 and 113,270.72

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Solution

The fourth proportional to 218,402.24, 327,655.20 and 113,270.72 is: 169,932.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,402.24 : 327,655.20 = 113,270.72 : x
  2. Step 2: Convert to fraction form
    218,402.24/327,655.20 = 113,270.72/x
  3. Step 3: Cross multiply
    218,402.24x = 327,655.20 × 113,270.72
  4. Step 4: Simplify right side
    218,402.24x = 37,113,740,415.74
  5. Step 5: Solve for x
    x = 37,113,740,415.74/218,402.24
  6. Step 6: Final answer
    x = 169,932.97

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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.