Home / 107,959.43-162,761.25-100,348.67

Finding the Fourth Proportional to 107,959.43, 162,761.25 and 100,348.67

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Solution

The fourth proportional to 107,959.43, 162,761.25 and 100,348.67 is: 151,287.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,959.43 : 162,761.25 = 100,348.67 : x
  2. Step 2: Convert to fraction form
    107,959.43/162,761.25 = 100,348.67/x
  3. Step 3: Cross multiply
    107,959.43x = 162,761.25 × 100,348.67
  4. Step 4: Simplify right side
    107,959.43x = 16,332,875,183.79
  5. Step 5: Solve for x
    x = 16,332,875,183.79/107,959.43
  6. Step 6: Final answer
    x = 151,287.15

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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.