Home / 123,919.74-184,847.40-111,960.90

Finding the Fourth Proportional to 123,919.74, 184,847.40 and 111,960.90

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Solution

The fourth proportional to 123,919.74, 184,847.40 and 111,960.90 is: 167,008.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,919.74 : 184,847.40 = 111,960.90 : x
  2. Step 2: Convert to fraction form
    123,919.74/184,847.40 = 111,960.90/x
  3. Step 3: Cross multiply
    123,919.74x = 184,847.40 × 111,960.90
  4. Step 4: Simplify right side
    123,919.74x = 20,695,681,266.66
  5. Step 5: Solve for x
    x = 20,695,681,266.66/123,919.74
  6. Step 6: Final answer
    x = 167,008.75

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.