Home / 209,441.30-289,029.67-113,947.97

Finding the Fourth Proportional to 209,441.30, 289,029.67 and 113,947.97

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Solution

The fourth proportional to 209,441.30, 289,029.67 and 113,947.97 is: 157,248.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,441.30 : 289,029.67 = 113,947.97 : x
  2. Step 2: Convert to fraction form
    209,441.30/289,029.67 = 113,947.97/x
  3. Step 3: Cross multiply
    209,441.30x = 289,029.67 × 113,947.97
  4. Step 4: Simplify right side
    209,441.30x = 32,934,342,436.25
  5. Step 5: Solve for x
    x = 32,934,342,436.25/209,441.30
  6. Step 6: Final answer
    x = 157,248.56

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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.