Home / 140,198.82-193,475.16-76,537.26

Finding the Fourth Proportional to 140,198.82, 193,475.16 and 76,537.26

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Solution

The fourth proportional to 140,198.82, 193,475.16 and 76,537.26 is: 105,621.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,198.82 : 193,475.16 = 76,537.26 : x
  2. Step 2: Convert to fraction form
    140,198.82/193,475.16 = 76,537.26/x
  3. Step 3: Cross multiply
    140,198.82x = 193,475.16 × 76,537.26
  4. Step 4: Simplify right side
    140,198.82x = 14,808,058,624.46
  5. Step 5: Solve for x
    x = 14,808,058,624.46/140,198.82
  6. Step 6: Final answer
    x = 105,621.85

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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.