Home / 120,857.27-181,280.43-41,977.64

Finding the Fourth Proportional to 120,857.27, 181,280.43 and 41,977.64

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Solution

The fourth proportional to 120,857.27, 181,280.43 and 41,977.64 is: 62,964.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,857.27 : 181,280.43 = 41,977.64 : x
  2. Step 2: Convert to fraction form
    120,857.27/181,280.43 = 41,977.64/x
  3. Step 3: Cross multiply
    120,857.27x = 181,280.43 × 41,977.64
  4. Step 4: Simplify right side
    120,857.27x = 7,609,725,082.79
  5. Step 5: Solve for x
    x = 7,609,725,082.79/120,857.27
  6. Step 6: Final answer
    x = 62,964.56

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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.