Home / 165,327.21-228,136.95-91,741.48

Finding the Fourth Proportional to 165,327.21, 228,136.95 and 91,741.48

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Solution

The fourth proportional to 165,327.21, 228,136.95 and 91,741.48 is: 126,595.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,327.21 : 228,136.95 = 91,741.48 : x
  2. Step 2: Convert to fraction form
    165,327.21/228,136.95 = 91,741.48/x
  3. Step 3: Cross multiply
    165,327.21x = 228,136.95 × 91,741.48
  4. Step 4: Simplify right side
    165,327.21x = 20,929,621,435.69
  5. Step 5: Solve for x
    x = 20,929,621,435.69/165,327.21
  6. Step 6: Final answer
    x = 126,595.14

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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.