Home / 157,103.82-235,512.74-57,241.26

Finding the Fourth Proportional to 157,103.82, 235,512.74 and 57,241.26

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Solution

The fourth proportional to 157,103.82, 235,512.74 and 57,241.26 is: 85,809.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,103.82 : 235,512.74 = 57,241.26 : x
  2. Step 2: Convert to fraction form
    157,103.82/235,512.74 = 57,241.26/x
  3. Step 3: Cross multiply
    157,103.82x = 235,512.74 × 57,241.26
  4. Step 4: Simplify right side
    157,103.82x = 13,481,045,983.65
  5. Step 5: Solve for x
    x = 13,481,045,983.65/157,103.82
  6. Step 6: Final answer
    x = 85,809.79

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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.