Home / 113,437.20-170,220.60-43,366.80

Finding the Fourth Proportional to 113,437.20, 170,220.60 and 43,366.80

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Solution

The fourth proportional to 113,437.20, 170,220.60 and 43,366.80 is: 65,074.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,437.20 : 170,220.60 = 43,366.80 : x
  2. Step 2: Convert to fraction form
    113,437.20/170,220.60 = 43,366.80/x
  3. Step 3: Cross multiply
    113,437.20x = 170,220.60 × 43,366.80
  4. Step 4: Simplify right side
    113,437.20x = 7,381,922,716.08
  5. Step 5: Solve for x
    x = 7,381,922,716.08/113,437.20
  6. Step 6: Final answer
    x = 65,074.97

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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.