Home / 209,086.60-288,540.89-113,593.27

Finding the Fourth Proportional to 209,086.60, 288,540.89 and 113,593.27

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Solution

The fourth proportional to 209,086.60, 288,540.89 and 113,593.27 is: 156,759.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,086.60 : 288,540.89 = 113,593.27 : x
  2. Step 2: Convert to fraction form
    209,086.60/288,540.89 = 113,593.27/x
  3. Step 3: Cross multiply
    209,086.60x = 288,540.89 × 113,593.27
  4. Step 4: Simplify right side
    209,086.60x = 32,776,303,223.81
  5. Step 5: Solve for x
    x = 32,776,303,223.81/209,086.60
  6. Step 6: Final answer
    x = 156,759.46

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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.