Home / 100,223.88-150,335.18-25,343.96

Finding the Fourth Proportional to 100,223.88, 150,335.18 and 25,343.96

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Solution

The fourth proportional to 100,223.88, 150,335.18 and 25,343.96 is: 38,015.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,223.88 : 150,335.18 = 25,343.96 : x
  2. Step 2: Convert to fraction form
    100,223.88/150,335.18 = 25,343.96/x
  3. Step 3: Cross multiply
    100,223.88x = 150,335.18 × 25,343.96
  4. Step 4: Simplify right side
    100,223.88x = 3,810,088,788.51
  5. Step 5: Solve for x
    x = 3,810,088,788.51/100,223.88
  6. Step 6: Final answer
    x = 38,015.78

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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.