Home / 101,557.16-152,253.12-68,175.44

Finding the Fourth Proportional to 101,557.16, 152,253.12 and 68,175.44

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Solution

The fourth proportional to 101,557.16, 152,253.12 and 68,175.44 is: 102,207.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,557.16 : 152,253.12 = 68,175.44 : x
  2. Step 2: Convert to fraction form
    101,557.16/152,253.12 = 68,175.44/x
  3. Step 3: Cross multiply
    101,557.16x = 152,253.12 × 68,175.44
  4. Step 4: Simplify right side
    101,557.16x = 10,379,923,447.37
  5. Step 5: Solve for x
    x = 10,379,923,447.37/101,557.16
  6. Step 6: Final answer
    x = 102,207.70

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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.