Home / 209,066.24-288,517.44-113,578.88

Finding the Fourth Proportional to 209,066.24, 288,517.44 and 113,578.88

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Solution

The fourth proportional to 209,066.24, 288,517.44 and 113,578.88 is: 156,742.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,066.24 : 288,517.44 = 113,578.88 : x
  2. Step 2: Convert to fraction form
    209,066.24/288,517.44 = 113,578.88/x
  3. Step 3: Cross multiply
    209,066.24x = 288,517.44 × 113,578.88
  4. Step 4: Simplify right side
    209,066.24x = 32,769,487,695.67
  5. Step 5: Solve for x
    x = 32,769,487,695.67/209,066.24
  6. Step 6: Final answer
    x = 156,742.13

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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.