Home / 209,108.62-288,572.52-113,616.91

Finding the Fourth Proportional to 209,108.62, 288,572.52 and 113,616.91

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Solution

The fourth proportional to 209,108.62, 288,572.52 and 113,616.91 is: 156,792.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,108.62 : 288,572.52 = 113,616.91 : x
  2. Step 2: Convert to fraction form
    209,108.62/288,572.52 = 113,616.91/x
  3. Step 3: Cross multiply
    209,108.62x = 288,572.52 × 113,616.91
  4. Step 4: Simplify right side
    209,108.62x = 32,786,718,033.31
  5. Step 5: Solve for x
    x = 32,786,718,033.31/209,108.62
  6. Step 6: Final answer
    x = 156,792.76

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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.