Home / 144,725.06-199,718.24-81,062.66

Finding the Fourth Proportional to 144,725.06, 199,718.24 and 81,062.66

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Solution

The fourth proportional to 144,725.06, 199,718.24 and 81,062.66 is: 111,865.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,725.06 : 199,718.24 = 81,062.66 : x
  2. Step 2: Convert to fraction form
    144,725.06/199,718.24 = 81,062.66/x
  3. Step 3: Cross multiply
    144,725.06x = 199,718.24 × 81,062.66
  4. Step 4: Simplify right side
    144,725.06x = 16,189,691,784.92
  5. Step 5: Solve for x
    x = 16,189,691,784.92/144,725.06
  6. Step 6: Final answer
    x = 111,865.16

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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.