Home / 156,119.88-234,190.25-54,905.79

Finding the Fourth Proportional to 156,119.88, 234,190.25 and 54,905.79

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Solution

The fourth proportional to 156,119.88, 234,190.25 and 54,905.79 is: 82,362.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,119.88 : 234,190.25 = 54,905.79 : x
  2. Step 2: Convert to fraction form
    156,119.88/234,190.25 = 54,905.79/x
  3. Step 3: Cross multiply
    156,119.88x = 234,190.25 × 54,905.79
  4. Step 4: Simplify right side
    156,119.88x = 12,858,400,412.02
  5. Step 5: Solve for x
    x = 12,858,400,412.02/156,119.88
  6. Step 6: Final answer
    x = 82,362.35

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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.