Home / 250,623.59-375,785.26-79,771.51

Finding the Fourth Proportional to 250,623.59, 375,785.26 and 79,771.51

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Solution

The fourth proportional to 250,623.59, 375,785.26 and 79,771.51 is: 119,609.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,623.59 : 375,785.26 = 79,771.51 : x
  2. Step 2: Convert to fraction form
    250,623.59/375,785.26 = 79,771.51/x
  3. Step 3: Cross multiply
    250,623.59x = 375,785.26 × 79,771.51
  4. Step 4: Simplify right side
    250,623.59x = 29,976,957,625.94
  5. Step 5: Solve for x
    x = 29,976,957,625.94/250,623.59
  6. Step 6: Final answer
    x = 119,609.48

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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.