Home / 144,004.77-198,727.16-80,345.25

Finding the Fourth Proportional to 144,004.77, 198,727.16 and 80,345.25

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Solution

The fourth proportional to 144,004.77, 198,727.16 and 80,345.25 is: 110,876.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,004.77 : 198,727.16 = 80,345.25 : x
  2. Step 2: Convert to fraction form
    144,004.77/198,727.16 = 80,345.25/x
  3. Step 3: Cross multiply
    144,004.77x = 198,727.16 × 80,345.25
  4. Step 4: Simplify right side
    144,004.77x = 15,966,782,950.26
  5. Step 5: Solve for x
    x = 15,966,782,950.26/144,004.77
  6. Step 6: Final answer
    x = 110,876.76

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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.