Home / 146,001.78-218,999.79-89,092.44

Finding the Fourth Proportional to 146,001.78, 218,999.79 and 89,092.44

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Solution

The fourth proportional to 146,001.78, 218,999.79 and 89,092.44 is: 133,636.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,001.78 : 218,999.79 = 89,092.44 : x
  2. Step 2: Convert to fraction form
    146,001.78/218,999.79 = 89,092.44/x
  3. Step 3: Cross multiply
    146,001.78x = 218,999.79 × 89,092.44
  4. Step 4: Simplify right side
    146,001.78x = 19,511,225,650.59
  5. Step 5: Solve for x
    x = 19,511,225,650.59/146,001.78
  6. Step 6: Final answer
    x = 133,636.90

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1.5x scale

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.