Home / 326,769.15-490,236.88-191,947.23

Finding the Fourth Proportional to 326,769.15, 490,236.88 and 191,947.23

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Solution

The fourth proportional to 326,769.15, 490,236.88 and 191,947.23 is: 287,969.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,769.15 : 490,236.88 = 191,947.23 : x
  2. Step 2: Convert to fraction form
    326,769.15/490,236.88 = 191,947.23/x
  3. Step 3: Cross multiply
    326,769.15x = 490,236.88 × 191,947.23
  4. Step 4: Simplify right side
    326,769.15x = 94,099,611,399.78
  5. Step 5: Solve for x
    x = 94,099,611,399.78/326,769.15
  6. Step 6: Final answer
    x = 287,969.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.