Home / 165,031.24-227,741.64-89,579.68

Finding the Fourth Proportional to 165,031.24, 227,741.64 and 89,579.68

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Solution

The fourth proportional to 165,031.24, 227,741.64 and 89,579.68 is: 123,619.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,031.24 : 227,741.64 = 89,579.68 : x
  2. Step 2: Convert to fraction form
    165,031.24/227,741.64 = 89,579.68/x
  3. Step 3: Cross multiply
    165,031.24x = 227,741.64 × 89,579.68
  4. Step 4: Simplify right side
    165,031.24x = 20,401,023,233.88
  5. Step 5: Solve for x
    x = 20,401,023,233.88/165,031.24
  6. Step 6: Final answer
    x = 123,619.16

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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.