Home / 197,675.56-272,791.12-107,029.65

Finding the Fourth Proportional to 197,675.56, 272,791.12 and 107,029.65

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Solution

The fourth proportional to 197,675.56, 272,791.12 and 107,029.65 is: 147,700.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,675.56 : 272,791.12 = 107,029.65 : x
  2. Step 2: Convert to fraction form
    197,675.56/272,791.12 = 107,029.65/x
  3. Step 3: Cross multiply
    197,675.56x = 272,791.12 × 107,029.65
  4. Step 4: Simplify right side
    197,675.56x = 29,196,738,096.71
  5. Step 5: Solve for x
    x = 29,196,738,096.71/197,675.56
  6. Step 6: Final answer
    x = 147,700.29

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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.