Home / 231,176.74-346,865.28-81,523.96

Finding the Fourth Proportional to 231,176.74, 346,865.28 and 81,523.96

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Solution

The fourth proportional to 231,176.74, 346,865.28 and 81,523.96 is: 122,321.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,176.74 : 346,865.28 = 81,523.96 : x
  2. Step 2: Convert to fraction form
    231,176.74/346,865.28 = 81,523.96/x
  3. Step 3: Cross multiply
    231,176.74x = 346,865.28 × 81,523.96
  4. Step 4: Simplify right side
    231,176.74x = 28,277,831,212.11
  5. Step 5: Solve for x
    x = 28,277,831,212.11/231,176.74
  6. Step 6: Final answer
    x = 122,321.26

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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.