Home / 145,832.38-218,771.52-51,091.54

Finding the Fourth Proportional to 145,832.38, 218,771.52 and 51,091.54

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Solution

The fourth proportional to 145,832.38, 218,771.52 and 51,091.54 is: 76,645.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,832.38 : 218,771.52 = 51,091.54 : x
  2. Step 2: Convert to fraction form
    145,832.38/218,771.52 = 51,091.54/x
  3. Step 3: Cross multiply
    145,832.38x = 218,771.52 × 51,091.54
  4. Step 4: Simplify right side
    145,832.38x = 11,177,373,864.94
  5. Step 5: Solve for x
    x = 11,177,373,864.94/145,832.38
  6. Step 6: Final answer
    x = 76,645.35

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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.