Home / 188,919.12-260,726.80-141,089.43

Finding the Fourth Proportional to 188,919.12, 260,726.80 and 141,089.43

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Solution

The fourth proportional to 188,919.12, 260,726.80 and 141,089.43 is: 194,717.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,919.12 : 260,726.80 = 141,089.43 : x
  2. Step 2: Convert to fraction form
    188,919.12/260,726.80 = 141,089.43/x
  3. Step 3: Cross multiply
    188,919.12x = 260,726.80 × 141,089.43
  4. Step 4: Simplify right side
    188,919.12x = 36,785,795,245.00
  5. Step 5: Solve for x
    x = 36,785,795,245.00/188,919.12
  6. Step 6: Final answer
    x = 194,717.16

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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.