Home / 140,916.24-194,466-80,494.86

Finding the Fourth Proportional to 140,916.24, 194,466 and 80,494.86

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Solution

The fourth proportional to 140,916.24, 194,466 and 80,494.86 is: 111,083.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,916.24 : 194,466 = 80,494.86 : x
  2. Step 2: Convert to fraction form
    140,916.24/194,466 = 80,494.86/x
  3. Step 3: Cross multiply
    140,916.24x = 194,466 × 80,494.86
  4. Step 4: Simplify right side
    140,916.24x = 15,653,513,444.76
  5. Step 5: Solve for x
    x = 15,653,513,444.76/140,916.24
  6. Step 6: Final answer
    x = 111,083.81

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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.