Home / 209,244.12-288,753.54-113,753.24

Finding the Fourth Proportional to 209,244.12, 288,753.54 and 113,753.24

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Solution

The fourth proportional to 209,244.12, 288,753.54 and 113,753.24 is: 156,977.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,244.12 : 288,753.54 = 113,753.24 : x
  2. Step 2: Convert to fraction form
    209,244.12/288,753.54 = 113,753.24/x
  3. Step 3: Cross multiply
    209,244.12x = 288,753.54 × 113,753.24
  4. Step 4: Simplify right side
    209,244.12x = 32,846,650,736.47
  5. Step 5: Solve for x
    x = 32,846,650,736.47/209,244.12
  6. Step 6: Final answer
    x = 156,977.65

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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.