Home / 250,440.96-375,723-72,949.56

Finding the Fourth Proportional to 250,440.96, 375,723 and 72,949.56

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Solution

The fourth proportional to 250,440.96, 375,723 and 72,949.56 is: 109,442.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,440.96 : 375,723 = 72,949.56 : x
  2. Step 2: Convert to fraction form
    250,440.96/375,723 = 72,949.56/x
  3. Step 3: Cross multiply
    250,440.96x = 375,723 × 72,949.56
  4. Step 4: Simplify right side
    250,440.96x = 27,408,827,531.88
  5. Step 5: Solve for x
    x = 27,408,827,531.88/250,440.96
  6. Step 6: Final answer
    x = 109,442.27

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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.