Home / 168,027-231,877.28-92,577.12

Finding the Fourth Proportional to 168,027, 231,877.28 and 92,577.12

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Solution

The fourth proportional to 168,027, 231,877.28 and 92,577.12 is: 127,756.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,027 : 231,877.28 = 92,577.12 : x
  2. Step 2: Convert to fraction form
    168,027/231,877.28 = 92,577.12/x
  3. Step 3: Cross multiply
    168,027x = 231,877.28 × 92,577.12
  4. Step 4: Simplify right side
    168,027x = 21,466,530,775.83
  5. Step 5: Solve for x
    x = 21,466,530,775.83/168,027
  6. Step 6: Final answer
    x = 127,756.44

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1.5x scale

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.