Home / 209,023.30-288,449.04-113,529.16

Finding the Fourth Proportional to 209,023.30, 288,449.04 and 113,529.16

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Solution

The fourth proportional to 209,023.30, 288,449.04 and 113,529.16 is: 156,668.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,023.30 : 288,449.04 = 113,529.16 : x
  2. Step 2: Convert to fraction form
    209,023.30/288,449.04 = 113,529.16/x
  3. Step 3: Cross multiply
    209,023.30x = 288,449.04 × 113,529.16
  4. Step 4: Simplify right side
    209,023.30x = 32,747,377,214.01
  5. Step 5: Solve for x
    x = 32,747,377,214.01/209,023.30
  6. Step 6: Final answer
    x = 156,668.55

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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.