Home / 181,119.33-271,670.22-68,790.78

Finding the Fourth Proportional to 181,119.33, 271,670.22 and 68,790.78

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Solution

The fourth proportional to 181,119.33, 271,670.22 and 68,790.78 is: 103,182.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,119.33 : 271,670.22 = 68,790.78 : x
  2. Step 2: Convert to fraction form
    181,119.33/271,670.22 = 68,790.78/x
  3. Step 3: Cross multiply
    181,119.33x = 271,670.22 × 68,790.78
  4. Step 4: Simplify right side
    181,119.33x = 18,688,406,336.57
  5. Step 5: Solve for x
    x = 18,688,406,336.57/181,119.33
  6. Step 6: Final answer
    x = 103,182.84

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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.