Home / 209,270.20-288,793.56-113,776.84

Finding the Fourth Proportional to 209,270.20, 288,793.56 and 113,776.84

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Solution

The fourth proportional to 209,270.20, 288,793.56 and 113,776.84 is: 157,012.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,270.20 : 288,793.56 = 113,776.84 : x
  2. Step 2: Convert to fraction form
    209,270.20/288,793.56 = 113,776.84/x
  3. Step 3: Cross multiply
    209,270.20x = 288,793.56 × 113,776.84
  4. Step 4: Simplify right side
    209,270.20x = 32,858,018,669.15
  5. Step 5: Solve for x
    x = 32,858,018,669.15/209,270.20
  6. Step 6: Final answer
    x = 157,012.41

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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.