Home / 283,827.33-391,667.64-161,303.69

Finding the Fourth Proportional to 283,827.33, 391,667.64 and 161,303.69

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Solution

The fourth proportional to 283,827.33, 391,667.64 and 161,303.69 is: 222,591.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,827.33 : 391,667.64 = 161,303.69 : x
  2. Step 2: Convert to fraction form
    283,827.33/391,667.64 = 161,303.69/x
  3. Step 3: Cross multiply
    283,827.33x = 391,667.64 × 161,303.69
  4. Step 4: Simplify right side
    283,827.33x = 63,177,433,627.25
  5. Step 5: Solve for x
    x = 63,177,433,627.25/283,827.33
  6. Step 6: Final answer
    x = 222,591.09

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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.