Home / 157,410.32-236,185.02-82,512.54

Finding the Fourth Proportional to 157,410.32, 236,185.02 and 82,512.54

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Solution

The fourth proportional to 157,410.32, 236,185.02 and 82,512.54 is: 123,805.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,410.32 : 236,185.02 = 82,512.54 : x
  2. Step 2: Convert to fraction form
    157,410.32/236,185.02 = 82,512.54/x
  3. Step 3: Cross multiply
    157,410.32x = 236,185.02 × 82,512.54
  4. Step 4: Simplify right side
    157,410.32x = 19,488,225,910.15
  5. Step 5: Solve for x
    x = 19,488,225,910.15/157,410.32
  6. Step 6: Final answer
    x = 123,805.27

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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.