Home / 209,340.22-288,886.76-113,844.88

Finding the Fourth Proportional to 209,340.22, 288,886.76 and 113,844.88

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Solution

The fourth proportional to 209,340.22, 288,886.76 and 113,844.88 is: 157,104.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,340.22 : 288,886.76 = 113,844.88 : x
  2. Step 2: Convert to fraction form
    209,340.22/288,886.76 = 113,844.88/x
  3. Step 3: Cross multiply
    209,340.22x = 288,886.76 × 113,844.88
  4. Step 4: Simplify right side
    209,340.22x = 32,888,278,525.79
  5. Step 5: Solve for x
    x = 32,888,278,525.79/209,340.22
  6. Step 6: Final answer
    x = 157,104.44

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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.