Home / 137,961.06-206,946.45-53,727.54

Finding the Fourth Proportional to 137,961.06, 206,946.45 and 53,727.54

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Solution

The fourth proportional to 137,961.06, 206,946.45 and 53,727.54 is: 80,593.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,961.06 : 206,946.45 = 53,727.54 : x
  2. Step 2: Convert to fraction form
    137,961.06/206,946.45 = 53,727.54/x
  3. Step 3: Cross multiply
    137,961.06x = 206,946.45 × 53,727.54
  4. Step 4: Simplify right side
    137,961.06x = 11,118,723,670.23
  5. Step 5: Solve for x
    x = 11,118,723,670.23/137,961.06
  6. Step 6: Final answer
    x = 80,593.20

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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.