Home / 144,052.46-198,768.62-80,390.10

Finding the Fourth Proportional to 144,052.46, 198,768.62 and 80,390.10

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Solution

The fourth proportional to 144,052.46, 198,768.62 and 80,390.10 is: 110,925.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,052.46 : 198,768.62 = 80,390.10 : x
  2. Step 2: Convert to fraction form
    144,052.46/198,768.62 = 80,390.10/x
  3. Step 3: Cross multiply
    144,052.46x = 198,768.62 × 80,390.10
  4. Step 4: Simplify right side
    144,052.46x = 15,979,029,238.66
  5. Step 5: Solve for x
    x = 15,979,029,238.66/144,052.46
  6. Step 6: Final answer
    x = 110,925.07

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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.