Home / 125,272.78-187,712.08-96,879.24

Finding the Fourth Proportional to 125,272.78, 187,712.08 and 96,879.24

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Solution

The fourth proportional to 125,272.78, 187,712.08 and 96,879.24 is: 145,166.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,272.78 : 187,712.08 = 96,879.24 : x
  2. Step 2: Convert to fraction form
    125,272.78/187,712.08 = 96,879.24/x
  3. Step 3: Cross multiply
    125,272.78x = 187,712.08 × 96,879.24
  4. Step 4: Simplify right side
    125,272.78x = 18,185,403,951.97
  5. Step 5: Solve for x
    x = 18,185,403,951.97/125,272.78
  6. Step 6: Final answer
    x = 145,166.45

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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.