Home / 165,041.11-227,760.35-100,513.38

Finding the Fourth Proportional to 165,041.11, 227,760.35 and 100,513.38

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Solution

The fourth proportional to 165,041.11, 227,760.35 and 100,513.38 is: 138,710.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,041.11 : 227,760.35 = 100,513.38 : x
  2. Step 2: Convert to fraction form
    165,041.11/227,760.35 = 100,513.38/x
  3. Step 3: Cross multiply
    165,041.11x = 227,760.35 × 100,513.38
  4. Step 4: Simplify right side
    165,041.11x = 22,892,962,608.48
  5. Step 5: Solve for x
    x = 22,892,962,608.48/165,041.11
  6. Step 6: Final answer
    x = 138,710.67

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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.