Home / 209,119.50-288,586.26-113,626.17

Finding the Fourth Proportional to 209,119.50, 288,586.26 and 113,626.17

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Solution

The fourth proportional to 209,119.50, 288,586.26 and 113,626.17 is: 156,804.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,119.50 : 288,586.26 = 113,626.17 : x
  2. Step 2: Convert to fraction form
    209,119.50/288,586.26 = 113,626.17/x
  3. Step 3: Cross multiply
    209,119.50x = 288,586.26 × 113,626.17
  4. Step 4: Simplify right side
    209,119.50x = 32,790,951,438.42
  5. Step 5: Solve for x
    x = 32,790,951,438.42/209,119.50
  6. Step 6: Final answer
    x = 156,804.85

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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.