Home / 250,418.80-375,663.29-81,952.37

Finding the Fourth Proportional to 250,418.80, 375,663.29 and 81,952.37

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Solution

The fourth proportional to 250,418.80, 375,663.29 and 81,952.37 is: 122,940.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,418.80 : 375,663.29 = 81,952.37 : x
  2. Step 2: Convert to fraction form
    250,418.80/375,663.29 = 81,952.37/x
  3. Step 3: Cross multiply
    250,418.80x = 375,663.29 × 81,952.37
  4. Step 4: Simplify right side
    250,418.80x = 30,786,496,916.19
  5. Step 5: Solve for x
    x = 30,786,496,916.19/250,418.80
  6. Step 6: Final answer
    x = 122,940.04

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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.