Home / 123,272.20-184,907.70-48,339.40

Finding the Fourth Proportional to 123,272.20, 184,907.70 and 48,339.40

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Solution

The fourth proportional to 123,272.20, 184,907.70 and 48,339.40 is: 72,508.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,272.20 : 184,907.70 = 48,339.40 : x
  2. Step 2: Convert to fraction form
    123,272.20/184,907.70 = 48,339.40/x
  3. Step 3: Cross multiply
    123,272.20x = 184,907.70 × 48,339.40
  4. Step 4: Simplify right side
    123,272.20x = 8,938,327,273.38
  5. Step 5: Solve for x
    x = 8,938,327,273.38/123,272.20
  6. Step 6: Final answer
    x = 72,508.86

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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.