Home / 165,051.28-227,769.20-89,599.68

Finding the Fourth Proportional to 165,051.28, 227,769.20 and 89,599.68

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Solution

The fourth proportional to 165,051.28, 227,769.20 and 89,599.68 is: 123,646.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,051.28 : 227,769.20 = 89,599.68 : x
  2. Step 2: Convert to fraction form
    165,051.28/227,769.20 = 89,599.68/x
  3. Step 3: Cross multiply
    165,051.28x = 227,769.20 × 89,599.68
  4. Step 4: Simplify right side
    165,051.28x = 20,408,047,433.86
  5. Step 5: Solve for x
    x = 20,408,047,433.86/165,051.28
  6. Step 6: Final answer
    x = 123,646.71

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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.