Home / 106,480.64-159,702.22-38,998.73

Finding the Fourth Proportional to 106,480.64, 159,702.22 and 38,998.73

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Solution

The fourth proportional to 106,480.64, 159,702.22 and 38,998.73 is: 58,491.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,480.64 : 159,702.22 = 38,998.73 : x
  2. Step 2: Convert to fraction form
    106,480.64/159,702.22 = 38,998.73/x
  3. Step 3: Cross multiply
    106,480.64x = 159,702.22 × 38,998.73
  4. Step 4: Simplify right side
    106,480.64x = 6,228,183,456.42
  5. Step 5: Solve for x
    x = 6,228,183,456.42/106,480.64
  6. Step 6: Final answer
    x = 58,491.23

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1.5x scale

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.