Home / 157,961.38-236,942.10-52,780.36

Finding the Fourth Proportional to 157,961.38, 236,942.10 and 52,780.36

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Solution

The fourth proportional to 157,961.38, 236,942.10 and 52,780.36 is: 79,170.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,961.38 : 236,942.10 = 52,780.36 : x
  2. Step 2: Convert to fraction form
    157,961.38/236,942.10 = 52,780.36/x
  3. Step 3: Cross multiply
    157,961.38x = 236,942.10 × 52,780.36
  4. Step 4: Simplify right side
    157,961.38x = 12,505,887,888.54
  5. Step 5: Solve for x
    x = 12,505,887,888.54/157,961.38
  6. Step 6: Final answer
    x = 79,170.54

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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.