Home / 209,102.28-288,561.45-113,608.95

Finding the Fourth Proportional to 209,102.28, 288,561.45 and 113,608.95

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Solution

The fourth proportional to 209,102.28, 288,561.45 and 113,608.95 is: 156,780.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,102.28 : 288,561.45 = 113,608.95 : x
  2. Step 2: Convert to fraction form
    209,102.28/288,561.45 = 113,608.95/x
  3. Step 3: Cross multiply
    209,102.28x = 288,561.45 × 113,608.95
  4. Step 4: Simplify right side
    209,102.28x = 32,783,163,344.98
  5. Step 5: Solve for x
    x = 32,783,163,344.98/209,102.28
  6. Step 6: Final answer
    x = 156,780.52

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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.