Home / 209,108.00-288,571.66-113,616.29

Finding the Fourth Proportional to 209,108.00, 288,571.66 and 113,616.29

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Solution

The fourth proportional to 209,108.00, 288,571.66 and 113,616.29 is: 156,791.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,108.00 : 288,571.66 = 113,616.29 : x
  2. Step 2: Convert to fraction form
    209,108.00/288,571.66 = 113,616.29/x
  3. Step 3: Cross multiply
    209,108.00x = 288,571.66 × 113,616.29
  4. Step 4: Simplify right side
    209,108.00x = 32,786,439,681.44
  5. Step 5: Solve for x
    x = 32,786,439,681.44/209,108.00
  6. Step 6: Final answer
    x = 156,791.90

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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.