Home / 110,419.20-152,366.40-62,020.80

Finding the Fourth Proportional to 110,419.20, 152,366.40 and 62,020.80

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Solution

The fourth proportional to 110,419.20, 152,366.40 and 62,020.80 is: 85,581.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,419.20 : 152,366.40 = 62,020.80 : x
  2. Step 2: Convert to fraction form
    110,419.20/152,366.40 = 62,020.80/x
  3. Step 3: Cross multiply
    110,419.20x = 152,366.40 × 62,020.80
  4. Step 4: Simplify right side
    110,419.20x = 9,449,886,021.12
  5. Step 5: Solve for x
    x = 9,449,886,021.12/110,419.20
  6. Step 6: Final answer
    x = 85,581.91

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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.