Home / 197,716.14-272,870.37-112,847.58

Finding the Fourth Proportional to 197,716.14, 272,870.37 and 112,847.58

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Solution

The fourth proportional to 197,716.14, 272,870.37 and 112,847.58 is: 155,742.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,716.14 : 272,870.37 = 112,847.58 : x
  2. Step 2: Convert to fraction form
    197,716.14/272,870.37 = 112,847.58/x
  3. Step 3: Cross multiply
    197,716.14x = 272,870.37 × 112,847.58
  4. Step 4: Simplify right side
    197,716.14x = 30,792,760,908.20
  5. Step 5: Solve for x
    x = 30,792,760,908.20/197,716.14
  6. Step 6: Final answer
    x = 155,742.27

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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.