Home / 197,412.29-272,428.97-106,768.26

Finding the Fourth Proportional to 197,412.29, 272,428.97 and 106,768.26

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Solution

The fourth proportional to 197,412.29, 272,428.97 and 106,768.26 is: 147,340.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,412.29 : 272,428.97 = 106,768.26 : x
  2. Step 2: Convert to fraction form
    197,412.29/272,428.97 = 106,768.26/x
  3. Step 3: Cross multiply
    197,412.29x = 272,428.97 × 106,768.26
  4. Step 4: Simplify right side
    197,412.29x = 29,086,766,566.65
  5. Step 5: Solve for x
    x = 29,086,766,566.65/197,412.29
  6. Step 6: Final answer
    x = 147,340.21

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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.