Home / 197,292.04-272,289.68-111,268.72

Finding the Fourth Proportional to 197,292.04, 272,289.68 and 111,268.72

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Solution

The fourth proportional to 197,292.04, 272,289.68 and 111,268.72 is: 153,565.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,292.04 : 272,289.68 = 111,268.72 : x
  2. Step 2: Convert to fraction form
    197,292.04/272,289.68 = 111,268.72/x
  3. Step 3: Cross multiply
    197,292.04x = 272,289.68 × 111,268.72
  4. Step 4: Simplify right side
    197,292.04x = 30,297,324,162.81
  5. Step 5: Solve for x
    x = 30,297,324,162.81/197,292.04
  6. Step 6: Final answer
    x = 153,565.87

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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.