Home / 221,104.77-331,663.65-61,182.02

Finding the Fourth Proportional to 221,104.77, 331,663.65 and 61,182.02

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Solution

The fourth proportional to 221,104.77, 331,663.65 and 61,182.02 is: 91,774.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,104.77 : 331,663.65 = 61,182.02 : x
  2. Step 2: Convert to fraction form
    221,104.77/331,663.65 = 61,182.02/x
  3. Step 3: Cross multiply
    221,104.77x = 331,663.65 × 61,182.02
  4. Step 4: Simplify right side
    221,104.77x = 20,291,852,067.57
  5. Step 5: Solve for x
    x = 20,291,852,067.57/221,104.77
  6. Step 6: Final answer
    x = 91,774.83

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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.