Home / 141,333.52-195,019.40-80,894.48

Finding the Fourth Proportional to 141,333.52, 195,019.40 and 80,894.48

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Solution

The fourth proportional to 141,333.52, 195,019.40 and 80,894.48 is: 111,622.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,333.52 : 195,019.40 = 80,894.48 : x
  2. Step 2: Convert to fraction form
    141,333.52/195,019.40 = 80,894.48/x
  3. Step 3: Cross multiply
    141,333.52x = 195,019.40 × 80,894.48
  4. Step 4: Simplify right side
    141,333.52x = 15,775,992,952.91
  5. Step 5: Solve for x
    x = 15,775,992,952.91/141,333.52
  6. Step 6: Final answer
    x = 111,622.44

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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.