Home / 113,550.20-169,922.10-98,919.80

Finding the Fourth Proportional to 113,550.20, 169,922.10 and 98,919.80

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Solution

The fourth proportional to 113,550.20, 169,922.10 and 98,919.80 is: 148,028.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,550.20 : 169,922.10 = 98,919.80 : x
  2. Step 2: Convert to fraction form
    113,550.20/169,922.10 = 98,919.80/x
  3. Step 3: Cross multiply
    113,550.20x = 169,922.10 × 98,919.80
  4. Step 4: Simplify right side
    113,550.20x = 16,808,660,147.58
  5. Step 5: Solve for x
    x = 16,808,660,147.58/113,550.20
  6. Step 6: Final answer
    x = 148,028.45

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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.