Home / 165,672.18-228,621.33-101,249.15

Finding the Fourth Proportional to 165,672.18, 228,621.33 and 101,249.15

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Solution

The fourth proportional to 165,672.18, 228,621.33 and 101,249.15 is: 139,719.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,672.18 : 228,621.33 = 101,249.15 : x
  2. Step 2: Convert to fraction form
    165,672.18/228,621.33 = 101,249.15/x
  3. Step 3: Cross multiply
    165,672.18x = 228,621.33 × 101,249.15
  4. Step 4: Simplify right side
    165,672.18x = 23,147,714,191.26
  5. Step 5: Solve for x
    x = 23,147,714,191.26/165,672.18
  6. Step 6: Final answer
    x = 139,719.98

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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.