Home / 197,364.40-272,365.74-111,327.48

Finding the Fourth Proportional to 197,364.40, 272,365.74 and 111,327.48

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Solution

The fourth proportional to 197,364.40, 272,365.74 and 111,327.48 is: 153,633.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,364.40 : 272,365.74 = 111,327.48 : x
  2. Step 2: Convert to fraction form
    197,364.40/272,365.74 = 111,327.48/x
  3. Step 3: Cross multiply
    197,364.40x = 272,365.74 × 111,327.48
  4. Step 4: Simplify right side
    197,364.40x = 30,321,791,472.54
  5. Step 5: Solve for x
    x = 30,321,791,472.54/197,364.40
  6. Step 6: Final answer
    x = 153,633.54

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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.