Home / 143,268.03-197,698.30-82,842.58

Finding the Fourth Proportional to 143,268.03, 197,698.30 and 82,842.58

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Solution

The fourth proportional to 143,268.03, 197,698.30 and 82,842.58 is: 114,316.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,268.03 : 197,698.30 = 82,842.58 : x
  2. Step 2: Convert to fraction form
    143,268.03/197,698.30 = 82,842.58/x
  3. Step 3: Cross multiply
    143,268.03x = 197,698.30 × 82,842.58
  4. Step 4: Simplify right side
    143,268.03x = 16,377,837,233.61
  5. Step 5: Solve for x
    x = 16,377,837,233.61/143,268.03
  6. Step 6: Final answer
    x = 114,316.06

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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.