Home / 209,247.16-288,757.68-113,756.24

Finding the Fourth Proportional to 209,247.16, 288,757.68 and 113,756.24

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Solution

The fourth proportional to 209,247.16, 288,757.68 and 113,756.24 is: 156,981.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,247.16 : 288,757.68 = 113,756.24 : x
  2. Step 2: Convert to fraction form
    209,247.16/288,757.68 = 113,756.24/x
  3. Step 3: Cross multiply
    209,247.16x = 288,757.68 × 113,756.24
  4. Step 4: Simplify right side
    209,247.16x = 32,847,987,947.92
  5. Step 5: Solve for x
    x = 32,847,987,947.92/209,247.16
  6. Step 6: Final answer
    x = 156,981.76

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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.