Home / 283,986.96-391,903.29-156,662.52

Finding the Fourth Proportional to 283,986.96, 391,903.29 and 156,662.52

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Solution

The fourth proportional to 283,986.96, 391,903.29 and 156,662.52 is: 216,194.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,986.96 : 391,903.29 = 156,662.52 : x
  2. Step 2: Convert to fraction form
    283,986.96/391,903.29 = 156,662.52/x
  3. Step 3: Cross multiply
    283,986.96x = 391,903.29 × 156,662.52
  4. Step 4: Simplify right side
    283,986.96x = 61,396,557,007.69
  5. Step 5: Solve for x
    x = 61,396,557,007.69/283,986.96
  6. Step 6: Final answer
    x = 216,194.99

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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.