Home / 375,254.52-517,942.38-231,928.26

Finding the Fourth Proportional to 375,254.52, 517,942.38 and 231,928.26

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Solution

The fourth proportional to 375,254.52, 517,942.38 and 231,928.26 is: 320,117.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,254.52 : 517,942.38 = 231,928.26 : x
  2. Step 2: Convert to fraction form
    375,254.52/517,942.38 = 231,928.26/x
  3. Step 3: Cross multiply
    375,254.52x = 517,942.38 × 231,928.26
  4. Step 4: Simplify right side
    375,254.52x = 120,125,474,973.66
  5. Step 5: Solve for x
    x = 120,125,474,973.66/375,254.52
  6. Step 6: Final answer
    x = 320,117.33

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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.