Home / 109,930.60-164,895.90-96,371.20

Finding the Fourth Proportional to 109,930.60, 164,895.90 and 96,371.20

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Solution

The fourth proportional to 109,930.60, 164,895.90 and 96,371.20 is: 144,556.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,930.60 : 164,895.90 = 96,371.20 : x
  2. Step 2: Convert to fraction form
    109,930.60/164,895.90 = 96,371.20/x
  3. Step 3: Cross multiply
    109,930.60x = 164,895.90 × 96,371.20
  4. Step 4: Simplify right side
    109,930.60x = 15,891,215,758.08
  5. Step 5: Solve for x
    x = 15,891,215,758.08/109,930.60
  6. Step 6: Final answer
    x = 144,556.80

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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.