Home / 231,517.35-349,011.30-216,086.22

Finding the Fourth Proportional to 231,517.35, 349,011.30 and 216,086.22

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Solution

The fourth proportional to 231,517.35, 349,011.30 and 216,086.22 is: 325,748.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,517.35 : 349,011.30 = 216,086.22 : x
  2. Step 2: Convert to fraction form
    231,517.35/349,011.30 = 216,086.22/x
  3. Step 3: Cross multiply
    231,517.35x = 349,011.30 × 216,086.22
  4. Step 4: Simplify right side
    231,517.35x = 75,416,532,554.29
  5. Step 5: Solve for x
    x = 75,416,532,554.29/231,517.35
  6. Step 6: Final answer
    x = 325,748.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.