Home / 221,781.51-332,667.45-61,853.18

Finding the Fourth Proportional to 221,781.51, 332,667.45 and 61,853.18

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Solution

The fourth proportional to 221,781.51, 332,667.45 and 61,853.18 is: 92,778.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,781.51 : 332,667.45 = 61,853.18 : x
  2. Step 2: Convert to fraction form
    221,781.51/332,667.45 = 61,853.18/x
  3. Step 3: Cross multiply
    221,781.51x = 332,667.45 × 61,853.18
  4. Step 4: Simplify right side
    221,781.51x = 20,576,538,001.65
  5. Step 5: Solve for x
    x = 20,576,538,001.65/221,781.51
  6. Step 6: Final answer
    x = 92,778.42

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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.