Home / 119,023.20-164,246.52-65,306.88

Finding the Fourth Proportional to 119,023.20, 164,246.52 and 65,306.88

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Solution

The fourth proportional to 119,023.20, 164,246.52 and 65,306.88 is: 90,120.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,023.20 : 164,246.52 = 65,306.88 : x
  2. Step 2: Convert to fraction form
    119,023.20/164,246.52 = 65,306.88/x
  3. Step 3: Cross multiply
    119,023.20x = 164,246.52 × 65,306.88
  4. Step 4: Simplify right side
    119,023.20x = 10,726,427,772.06
  5. Step 5: Solve for x
    x = 10,726,427,772.06/119,023.20
  6. Step 6: Final answer
    x = 90,120.48

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1.5x scale

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.