Home / 133,439.76-184,298.04-90,924.48

Finding the Fourth Proportional to 133,439.76, 184,298.04 and 90,924.48

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Solution

The fourth proportional to 133,439.76, 184,298.04 and 90,924.48 is: 125,578.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,439.76 : 184,298.04 = 90,924.48 : x
  2. Step 2: Convert to fraction form
    133,439.76/184,298.04 = 90,924.48/x
  3. Step 3: Cross multiply
    133,439.76x = 184,298.04 × 90,924.48
  4. Step 4: Simplify right side
    133,439.76x = 16,757,203,452.02
  5. Step 5: Solve for x
    x = 16,757,203,452.02/133,439.76
  6. Step 6: Final answer
    x = 125,578.79

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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.