Home / 197,739.36-272,904.29-111,701.97

Finding the Fourth Proportional to 197,739.36, 272,904.29 and 111,701.97

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Solution

The fourth proportional to 197,739.36, 272,904.29 and 111,701.97 is: 154,162.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,739.36 : 272,904.29 = 111,701.97 : x
  2. Step 2: Convert to fraction form
    197,739.36/272,904.29 = 111,701.97/x
  3. Step 3: Cross multiply
    197,739.36x = 272,904.29 × 111,701.97
  4. Step 4: Simplify right side
    197,739.36x = 30,483,947,093.71
  5. Step 5: Solve for x
    x = 30,483,947,093.71/197,739.36
  6. Step 6: Final answer
    x = 154,162.26

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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.