Home / 251,546.50-377,209.05-133,190.20

Finding the Fourth Proportional to 251,546.50, 377,209.05 and 133,190.20

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Solution

The fourth proportional to 251,546.50, 377,209.05 and 133,190.20 is: 199,726.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,546.50 : 377,209.05 = 133,190.20 : x
  2. Step 2: Convert to fraction form
    251,546.50/377,209.05 = 133,190.20/x
  3. Step 3: Cross multiply
    251,546.50x = 377,209.05 × 133,190.20
  4. Step 4: Simplify right side
    251,546.50x = 50,240,548,811.31
  5. Step 5: Solve for x
    x = 50,240,548,811.31/251,546.50
  6. Step 6: Final answer
    x = 199,726.69

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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.