Home / 165,053.28-227,771.96-89,601.68

Finding the Fourth Proportional to 165,053.28, 227,771.96 and 89,601.68

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Solution

The fourth proportional to 165,053.28, 227,771.96 and 89,601.68 is: 123,649.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,053.28 : 227,771.96 = 89,601.68 : x
  2. Step 2: Convert to fraction form
    165,053.28/227,771.96 = 89,601.68/x
  3. Step 3: Cross multiply
    165,053.28x = 227,771.96 × 89,601.68
  4. Step 4: Simplify right side
    165,053.28x = 20,408,750,272.89
  5. Step 5: Solve for x
    x = 20,408,750,272.89/165,053.28
  6. Step 6: Final answer
    x = 123,649.47

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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.