Home / 220,719.52-304,381.20-148,286.08

Finding the Fourth Proportional to 220,719.52, 304,381.20 and 148,286.08

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Solution

The fourth proportional to 220,719.52, 304,381.20 and 148,286.08 is: 204,492.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,719.52 : 304,381.20 = 148,286.08 : x
  2. Step 2: Convert to fraction form
    220,719.52/304,381.20 = 148,286.08/x
  3. Step 3: Cross multiply
    220,719.52x = 304,381.20 × 148,286.08
  4. Step 4: Simplify right side
    220,719.52x = 45,135,494,973.70
  5. Step 5: Solve for x
    x = 45,135,494,973.70/220,719.52
  6. Step 6: Final answer
    x = 204,492.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.