Home / 201,973.10-278,463.72-165,540.41

Finding the Fourth Proportional to 201,973.10, 278,463.72 and 165,540.41

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Solution

The fourth proportional to 201,973.10, 278,463.72 and 165,540.41 is: 228,233.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,973.10 : 278,463.72 = 165,540.41 : x
  2. Step 2: Convert to fraction form
    201,973.10/278,463.72 = 165,540.41/x
  3. Step 3: Cross multiply
    201,973.10x = 278,463.72 × 165,540.41
  4. Step 4: Simplify right side
    201,973.10x = 46,096,998,651.62
  5. Step 5: Solve for x
    x = 46,096,998,651.62/201,973.10
  6. Step 6: Final answer
    x = 228,233.36

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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.