Home / 125,215.97-172,697.51-110,076.53

Finding the Fourth Proportional to 125,215.97, 172,697.51 and 110,076.53

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Solution

The fourth proportional to 125,215.97, 172,697.51 and 110,076.53 is: 151,817.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,215.97 : 172,697.51 = 110,076.53 : x
  2. Step 2: Convert to fraction form
    125,215.97/172,697.51 = 110,076.53/x
  3. Step 3: Cross multiply
    125,215.97x = 172,697.51 × 110,076.53
  4. Step 4: Simplify right side
    125,215.97x = 19,009,942,640.44
  5. Step 5: Solve for x
    x = 19,009,942,640.44/125,215.97
  6. Step 6: Final answer
    x = 151,817.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.