Home / 209,127.38-288,595.23-113,634.08

Finding the Fourth Proportional to 209,127.38, 288,595.23 and 113,634.08

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Solution

The fourth proportional to 209,127.38, 288,595.23 and 113,634.08 is: 156,814.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,127.38 : 288,595.23 = 113,634.08 : x
  2. Step 2: Convert to fraction form
    209,127.38/288,595.23 = 113,634.08/x
  3. Step 3: Cross multiply
    209,127.38x = 288,595.23 × 113,634.08
  4. Step 4: Simplify right side
    209,127.38x = 32,794,253,453.44
  5. Step 5: Solve for x
    x = 32,794,253,453.44/209,127.38
  6. Step 6: Final answer
    x = 156,814.73

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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.