Home / 120,986.14-181,516.10-61,863.34

Finding the Fourth Proportional to 120,986.14, 181,516.10 and 61,863.34

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Solution

The fourth proportional to 120,986.14, 181,516.10 and 61,863.34 is: 92,813.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,986.14 : 181,516.10 = 61,863.34 : x
  2. Step 2: Convert to fraction form
    120,986.14/181,516.10 = 61,863.34/x
  3. Step 3: Cross multiply
    120,986.14x = 181,516.10 × 61,863.34
  4. Step 4: Simplify right side
    120,986.14x = 11,229,192,209.77
  5. Step 5: Solve for x
    x = 11,229,192,209.77/120,986.14
  6. Step 6: Final answer
    x = 92,813.87

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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.