Home / 217,023.14-325,272.27-111,784.70

Finding the Fourth Proportional to 217,023.14, 325,272.27 and 111,784.70

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Solution

The fourth proportional to 217,023.14, 325,272.27 and 111,784.70 is: 167,541.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,023.14 : 325,272.27 = 111,784.70 : x
  2. Step 2: Convert to fraction form
    217,023.14/325,272.27 = 111,784.70/x
  3. Step 3: Cross multiply
    217,023.14x = 325,272.27 × 111,784.70
  4. Step 4: Simplify right side
    217,023.14x = 36,360,463,120.27
  5. Step 5: Solve for x
    x = 36,360,463,120.27/217,023.14
  6. Step 6: Final answer
    x = 167,541.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.