Home / 157,972.20-236,958.30-52,791.17

Finding the Fourth Proportional to 157,972.20, 236,958.30 and 52,791.17

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Solution

The fourth proportional to 157,972.20, 236,958.30 and 52,791.17 is: 79,186.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,972.20 : 236,958.30 = 52,791.17 : x
  2. Step 2: Convert to fraction form
    157,972.20/236,958.30 = 52,791.17/x
  3. Step 3: Cross multiply
    157,972.20x = 236,958.30 × 52,791.17
  4. Step 4: Simplify right side
    157,972.20x = 12,509,305,305.82
  5. Step 5: Solve for x
    x = 12,509,305,305.82/157,972.20
  6. Step 6: Final answer
    x = 79,186.75

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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.