Home / 144,029.39-198,760.77-80,367.35

Finding the Fourth Proportional to 144,029.39, 198,760.77 and 80,367.35

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Solution

The fourth proportional to 144,029.39, 198,760.77 and 80,367.35 is: 110,907.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,029.39 : 198,760.77 = 80,367.35 : x
  2. Step 2: Convert to fraction form
    144,029.39/198,760.77 = 80,367.35/x
  3. Step 3: Cross multiply
    144,029.39x = 198,760.77 × 80,367.35
  4. Step 4: Simplify right side
    144,029.39x = 15,973,875,375.06
  5. Step 5: Solve for x
    x = 15,973,875,375.06/144,029.39
  6. Step 6: Final answer
    x = 110,907.06

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1.5x scale

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.