Home / 209,125.82-288,593.03-113,632.49

Finding the Fourth Proportional to 209,125.82, 288,593.03 and 113,632.49

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Solution

The fourth proportional to 209,125.82, 288,593.03 and 113,632.49 is: 156,812.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,125.82 : 288,593.03 = 113,632.49 : x
  2. Step 2: Convert to fraction form
    209,125.82/288,593.03 = 113,632.49/x
  3. Step 3: Cross multiply
    209,125.82x = 288,593.03 × 113,632.49
  4. Step 4: Simplify right side
    209,125.82x = 32,793,543,152.58
  5. Step 5: Solve for x
    x = 32,793,543,152.58/209,125.82
  6. Step 6: Final answer
    x = 156,812.51

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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.