Home / 199,658.11-275,526.10-109,013.79

Finding the Fourth Proportional to 199,658.11, 275,526.10 and 109,013.79

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Solution

The fourth proportional to 199,658.11, 275,526.10 and 109,013.79 is: 150,437.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,658.11 : 275,526.10 = 109,013.79 : x
  2. Step 2: Convert to fraction form
    199,658.11/275,526.10 = 109,013.79/x
  3. Step 3: Cross multiply
    199,658.11x = 275,526.10 × 109,013.79
  4. Step 4: Simplify right side
    199,658.11x = 30,036,143,859.85
  5. Step 5: Solve for x
    x = 30,036,143,859.85/199,658.11
  6. Step 6: Final answer
    x = 150,437.89

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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.