Home / 192,778.30-266,034-107,895.36

Finding the Fourth Proportional to 192,778.30, 266,034 and 107,895.36

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Solution

The fourth proportional to 192,778.30, 266,034 and 107,895.36 is: 148,895.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,778.30 : 266,034 = 107,895.36 : x
  2. Step 2: Convert to fraction form
    192,778.30/266,034 = 107,895.36/x
  3. Step 3: Cross multiply
    192,778.30x = 266,034 × 107,895.36
  4. Step 4: Simplify right side
    192,778.30x = 28,703,834,202.24
  5. Step 5: Solve for x
    x = 28,703,834,202.24/192,778.30
  6. Step 6: Final answer
    x = 148,895.57

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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.