Home / 111,418.08-167,178.15-48,257.52

Finding the Fourth Proportional to 111,418.08, 167,178.15 and 48,257.52

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Solution

The fourth proportional to 111,418.08, 167,178.15 and 48,257.52 is: 72,408.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,418.08 : 167,178.15 = 48,257.52 : x
  2. Step 2: Convert to fraction form
    111,418.08/167,178.15 = 48,257.52/x
  3. Step 3: Cross multiply
    111,418.08x = 167,178.15 × 48,257.52
  4. Step 4: Simplify right side
    111,418.08x = 8,067,602,917.19
  5. Step 5: Solve for x
    x = 8,067,602,917.19/111,418.08
  6. Step 6: Final answer
    x = 72,408.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.