Home / 197,336.40-272,310.24-111,298.56

Finding the Fourth Proportional to 197,336.40, 272,310.24 and 111,298.56

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Solution

The fourth proportional to 197,336.40, 272,310.24 and 111,298.56 is: 153,584.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,336.40 : 272,310.24 = 111,298.56 : x
  2. Step 2: Convert to fraction form
    197,336.40/272,310.24 = 111,298.56/x
  3. Step 3: Cross multiply
    197,336.40x = 272,310.24 × 111,298.56
  4. Step 4: Simplify right side
    197,336.40x = 30,307,737,585.25
  5. Step 5: Solve for x
    x = 30,307,737,585.25/197,336.40
  6. Step 6: Final answer
    x = 153,584.12

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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.