Home / 197,717.76-272,847.96-112,836.24

Finding the Fourth Proportional to 197,717.76, 272,847.96 and 112,836.24

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Solution

The fourth proportional to 197,717.76, 272,847.96 and 112,836.24 is: 155,712.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,717.76 : 272,847.96 = 112,836.24 : x
  2. Step 2: Convert to fraction form
    197,717.76/272,847.96 = 112,836.24/x
  3. Step 3: Cross multiply
    197,717.76x = 272,847.96 × 112,836.24
  4. Step 4: Simplify right side
    197,717.76x = 30,787,137,898.07
  5. Step 5: Solve for x
    x = 30,787,137,898.07/197,717.76
  6. Step 6: Final answer
    x = 155,712.56

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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.