Home / 141,799.48-212,747.38-89,147.32

Finding the Fourth Proportional to 141,799.48, 212,747.38 and 89,147.32

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Solution

The fourth proportional to 141,799.48, 212,747.38 and 89,147.32 is: 133,751.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,799.48 : 212,747.38 = 89,147.32 : x
  2. Step 2: Convert to fraction form
    141,799.48/212,747.38 = 89,147.32/x
  3. Step 3: Cross multiply
    141,799.48x = 212,747.38 × 89,147.32
  4. Step 4: Simplify right side
    141,799.48x = 18,965,858,764.02
  5. Step 5: Solve for x
    x = 18,965,858,764.02/141,799.48
  6. Step 6: Final answer
    x = 133,751.26

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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.