Home / 146,279.78-219,408.73-52,785.53

Finding the Fourth Proportional to 146,279.78, 219,408.73 and 52,785.53

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Solution

The fourth proportional to 146,279.78, 219,408.73 and 52,785.53 is: 79,174.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,279.78 : 219,408.73 = 52,785.53 : x
  2. Step 2: Convert to fraction form
    146,279.78/219,408.73 = 52,785.53/x
  3. Step 3: Cross multiply
    146,279.78x = 219,408.73 × 52,785.53
  4. Step 4: Simplify right side
    146,279.78x = 11,581,605,693.45
  5. Step 5: Solve for x
    x = 11,581,605,693.45/146,279.78
  6. Step 6: Final answer
    x = 79,174.35

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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.