Home / 113,170.39-169,755.55-28,930.73

Finding the Fourth Proportional to 113,170.39, 169,755.55 and 28,930.73

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Solution

The fourth proportional to 113,170.39, 169,755.55 and 28,930.73 is: 43,396.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,170.39 : 169,755.55 = 28,930.73 : x
  2. Step 2: Convert to fraction form
    113,170.39/169,755.55 = 28,930.73/x
  3. Step 3: Cross multiply
    113,170.39x = 169,755.55 × 28,930.73
  4. Step 4: Simplify right side
    113,170.39x = 4,911,151,061.95
  5. Step 5: Solve for x
    x = 4,911,151,061.95/113,170.39
  6. Step 6: Final answer
    x = 43,396.08

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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.