Home / 202,416.80-303,625.20-193,778.15

Finding the Fourth Proportional to 202,416.80, 303,625.20 and 193,778.15

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Solution

The fourth proportional to 202,416.80, 303,625.20 and 193,778.15 is: 290,667.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,416.80 : 303,625.20 = 193,778.15 : x
  2. Step 2: Convert to fraction form
    202,416.80/303,625.20 = 193,778.15/x
  3. Step 3: Cross multiply
    202,416.80x = 303,625.20 × 193,778.15
  4. Step 4: Simplify right side
    202,416.80x = 58,835,929,549.38
  5. Step 5: Solve for x
    x = 58,835,929,549.38/202,416.80
  6. Step 6: Final answer
    x = 290,667.23

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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.