Home / 209,026.64-288,458.88-113,535.20

Finding the Fourth Proportional to 209,026.64, 288,458.88 and 113,535.20

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Solution

The fourth proportional to 209,026.64, 288,458.88 and 113,535.20 is: 156,679.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,026.64 : 288,458.88 = 113,535.20 : x
  2. Step 2: Convert to fraction form
    209,026.64/288,458.88 = 113,535.20/x
  3. Step 3: Cross multiply
    209,026.64x = 288,458.88 × 113,535.20
  4. Step 4: Simplify right side
    209,026.64x = 32,750,236,632.58
  5. Step 5: Solve for x
    x = 32,750,236,632.58/209,026.64
  6. Step 6: Final answer
    x = 156,679.73

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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.