Home / 197,258.27-272,210.96-111,216.51

Finding the Fourth Proportional to 197,258.27, 272,210.96 and 111,216.51

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Solution

The fourth proportional to 197,258.27, 272,210.96 and 111,216.51 is: 153,475.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,258.27 : 272,210.96 = 111,216.51 : x
  2. Step 2: Convert to fraction form
    197,258.27/272,210.96 = 111,216.51/x
  3. Step 3: Cross multiply
    197,258.27x = 272,210.96 × 111,216.51
  4. Step 4: Simplify right side
    197,258.27x = 30,274,352,954.95
  5. Step 5: Solve for x
    x = 30,274,352,954.95/197,258.27
  6. Step 6: Final answer
    x = 153,475.71

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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.