Home / 140,297.80-193,562.94-79,853.32

Finding the Fourth Proportional to 140,297.80, 193,562.94 and 79,853.32

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Solution

The fourth proportional to 140,297.80, 193,562.94 and 79,853.32 is: 110,170.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,297.80 : 193,562.94 = 79,853.32 : x
  2. Step 2: Convert to fraction form
    140,297.80/193,562.94 = 79,853.32/x
  3. Step 3: Cross multiply
    140,297.80x = 193,562.94 × 79,853.32
  4. Step 4: Simplify right side
    140,297.80x = 15,456,643,387.96
  5. Step 5: Solve for x
    x = 15,456,643,387.96/140,297.80
  6. Step 6: Final answer
    x = 110,170.25

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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.