Home / 217,088.20-325,535.10-98,698.60

Finding the Fourth Proportional to 217,088.20, 325,535.10 and 98,698.60

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Solution

The fourth proportional to 217,088.20, 325,535.10 and 98,698.60 is: 148,003.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,088.20 : 325,535.10 = 98,698.60 : x
  2. Step 2: Convert to fraction form
    217,088.20/325,535.10 = 98,698.60/x
  3. Step 3: Cross multiply
    217,088.20x = 325,535.10 × 98,698.60
  4. Step 4: Simplify right side
    217,088.20x = 32,129,858,620.86
  5. Step 5: Solve for x
    x = 32,129,858,620.86/217,088.20
  6. Step 6: Final answer
    x = 148,003.71

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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.