Home / 144,948.20-217,422.30-109,956.20

Finding the Fourth Proportional to 144,948.20, 217,422.30 and 109,956.20

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Solution

The fourth proportional to 144,948.20, 217,422.30 and 109,956.20 is: 164,934.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,948.20 : 217,422.30 = 109,956.20 : x
  2. Step 2: Convert to fraction form
    144,948.20/217,422.30 = 109,956.20/x
  3. Step 3: Cross multiply
    144,948.20x = 217,422.30 × 109,956.20
  4. Step 4: Simplify right side
    144,948.20x = 23,906,929,903.26
  5. Step 5: Solve for x
    x = 23,906,929,903.26/144,948.20
  6. Step 6: Final answer
    x = 164,934.30

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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.