Home / 123,278.88-184,939.92-53,160.96

Finding the Fourth Proportional to 123,278.88, 184,939.92 and 53,160.96

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Solution

The fourth proportional to 123,278.88, 184,939.92 and 53,160.96 is: 79,750.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,278.88 : 184,939.92 = 53,160.96 : x
  2. Step 2: Convert to fraction form
    123,278.88/184,939.92 = 53,160.96/x
  3. Step 3: Cross multiply
    123,278.88x = 184,939.92 × 53,160.96
  4. Step 4: Simplify right side
    123,278.88x = 9,831,583,689.52
  5. Step 5: Solve for x
    x = 9,831,583,689.52/123,278.88
  6. Step 6: Final answer
    x = 79,750.75

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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.