Home / 251,334.80-377,002.20-223,778.60

Finding the Fourth Proportional to 251,334.80, 377,002.20 and 223,778.60

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Solution

The fourth proportional to 251,334.80, 377,002.20 and 223,778.60 is: 335,667.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,334.80 : 377,002.20 = 223,778.60 : x
  2. Step 2: Convert to fraction form
    251,334.80/377,002.20 = 223,778.60/x
  3. Step 3: Cross multiply
    251,334.80x = 377,002.20 × 223,778.60
  4. Step 4: Simplify right side
    251,334.80x = 84,365,024,512.92
  5. Step 5: Solve for x
    x = 84,365,024,512.92/251,334.80
  6. Step 6: Final answer
    x = 335,667.90

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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.