Home / 209,868.20-289,620.17-114,376.95

Finding the Fourth Proportional to 209,868.20, 289,620.17 and 114,376.95

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Solution

The fourth proportional to 209,868.20, 289,620.17 and 114,376.95 is: 157,841.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,868.20 : 289,620.17 = 114,376.95 : x
  2. Step 2: Convert to fraction form
    209,868.20/289,620.17 = 114,376.95/x
  3. Step 3: Cross multiply
    209,868.20x = 289,620.17 × 114,376.95
  4. Step 4: Simplify right side
    209,868.20x = 33,125,871,703.08
  5. Step 5: Solve for x
    x = 33,125,871,703.08/209,868.20
  6. Step 6: Final answer
    x = 157,841.31

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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.