Home / 209,842.20-289,584.18-114,350.76

Finding the Fourth Proportional to 209,842.20, 289,584.18 and 114,350.76

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Solution

The fourth proportional to 209,842.20, 289,584.18 and 114,350.76 is: 157,805.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,842.20 : 289,584.18 = 114,350.76 : x
  2. Step 2: Convert to fraction form
    209,842.20/289,584.18 = 114,350.76/x
  3. Step 3: Cross multiply
    209,842.20x = 289,584.18 × 114,350.76
  4. Step 4: Simplify right side
    209,842.20x = 33,114,171,066.98
  5. Step 5: Solve for x
    x = 33,114,171,066.98/209,842.20
  6. Step 6: Final answer
    x = 157,805.11

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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.