Home / 209,086.73-288,541.07-113,593.40

Finding the Fourth Proportional to 209,086.73, 288,541.07 and 113,593.40

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Solution

The fourth proportional to 209,086.73, 288,541.07 and 113,593.40 is: 156,759.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,086.73 : 288,541.07 = 113,593.40 : x
  2. Step 2: Convert to fraction form
    209,086.73/288,541.07 = 113,593.40/x
  3. Step 3: Cross multiply
    209,086.73x = 288,541.07 × 113,593.40
  4. Step 4: Simplify right side
    209,086.73x = 32,776,361,180.94
  5. Step 5: Solve for x
    x = 32,776,361,180.94/209,086.73
  6. Step 6: Final answer
    x = 156,759.64

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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.