Home / 144,727.93-199,718.76-81,062.47

Finding the Fourth Proportional to 144,727.93, 199,718.76 and 81,062.47

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Solution

The fourth proportional to 144,727.93, 199,718.76 and 81,062.47 is: 111,862.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,727.93 : 199,718.76 = 81,062.47 : x
  2. Step 2: Convert to fraction form
    144,727.93/199,718.76 = 81,062.47/x
  3. Step 3: Cross multiply
    144,727.93x = 199,718.76 × 81,062.47
  4. Step 4: Simplify right side
    144,727.93x = 16,189,695,990.94
  5. Step 5: Solve for x
    x = 16,189,695,990.94/144,727.93
  6. Step 6: Final answer
    x = 111,862.97

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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.