Home / 217,275.18-325,919.61-67,516.26

Finding the Fourth Proportional to 217,275.18, 325,919.61 and 67,516.26

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Solution

The fourth proportional to 217,275.18, 325,919.61 and 67,516.26 is: 101,276.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,275.18 : 325,919.61 = 67,516.26 : x
  2. Step 2: Convert to fraction form
    217,275.18/325,919.61 = 67,516.26/x
  3. Step 3: Cross multiply
    217,275.18x = 325,919.61 × 67,516.26
  4. Step 4: Simplify right side
    217,275.18x = 22,004,873,127.86
  5. Step 5: Solve for x
    x = 22,004,873,127.86/217,275.18
  6. Step 6: Final answer
    x = 101,276.52

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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.