Home / 197,502.18-272,533.25-111,453.45

Finding the Fourth Proportional to 197,502.18, 272,533.25 and 111,453.45

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Solution

The fourth proportional to 197,502.18, 272,533.25 and 111,453.45 is: 153,794.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,502.18 : 272,533.25 = 111,453.45 : x
  2. Step 2: Convert to fraction form
    197,502.18/272,533.25 = 111,453.45/x
  3. Step 3: Cross multiply
    197,502.18x = 272,533.25 × 111,453.45
  4. Step 4: Simplify right side
    197,502.18x = 30,374,770,394.95
  5. Step 5: Solve for x
    x = 30,374,770,394.95/197,502.18
  6. Step 6: Final answer
    x = 153,794.61

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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.