Home / 251,786.42-347,454.41-137,065.25

Finding the Fourth Proportional to 251,786.42, 347,454.41 and 137,065.25

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Solution

The fourth proportional to 251,786.42, 347,454.41 and 137,065.25 is: 189,144.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,786.42 : 347,454.41 = 137,065.25 : x
  2. Step 2: Convert to fraction form
    251,786.42/347,454.41 = 137,065.25/x
  3. Step 3: Cross multiply
    251,786.42x = 347,454.41 × 137,065.25
  4. Step 4: Simplify right side
    251,786.42x = 47,623,923,147.65
  5. Step 5: Solve for x
    x = 47,623,923,147.65/251,786.42
  6. Step 6: Final answer
    x = 189,144.13

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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.