Home / 197,771.09-272,950.56-111,747.87

Finding the Fourth Proportional to 197,771.09, 272,950.56 and 111,747.87

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Solution

The fourth proportional to 197,771.09, 272,950.56 and 111,747.87 is: 154,227.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,771.09 : 272,950.56 = 111,747.87 : x
  2. Step 2: Convert to fraction form
    197,771.09/272,950.56 = 111,747.87/x
  3. Step 3: Cross multiply
    197,771.09x = 272,950.56 × 111,747.87
  4. Step 4: Simplify right side
    197,771.09x = 30,501,643,695.31
  5. Step 5: Solve for x
    x = 30,501,643,695.31/197,771.09
  6. Step 6: Final answer
    x = 154,227.01

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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.