Home / 234,531.72-351,588.78-84,738.60

Finding the Fourth Proportional to 234,531.72, 351,588.78 and 84,738.60

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Solution

The fourth proportional to 234,531.72, 351,588.78 and 84,738.60 is: 127,032.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,531.72 : 351,588.78 = 84,738.60 : x
  2. Step 2: Convert to fraction form
    234,531.72/351,588.78 = 84,738.60/x
  3. Step 3: Cross multiply
    234,531.72x = 351,588.78 × 84,738.60
  4. Step 4: Simplify right side
    234,531.72x = 29,793,140,992.91
  5. Step 5: Solve for x
    x = 29,793,140,992.91/234,531.72
  6. Step 6: Final answer
    x = 127,032.46

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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.