Home / 110,212.61-151,823.45-79,908.89

Finding the Fourth Proportional to 110,212.61, 151,823.45 and 79,908.89

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Solution

The fourth proportional to 110,212.61, 151,823.45 and 79,908.89 is: 110,078.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,212.61 : 151,823.45 = 79,908.89 : x
  2. Step 2: Convert to fraction form
    110,212.61/151,823.45 = 79,908.89/x
  3. Step 3: Cross multiply
    110,212.61x = 151,823.45 × 79,908.89
  4. Step 4: Simplify right side
    110,212.61x = 12,132,042,965.93
  5. Step 5: Solve for x
    x = 12,132,042,965.93/110,212.61
  6. Step 6: Final answer
    x = 110,078.54

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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.