Home / 217,345.68-326,039.24-67,545.63

Finding the Fourth Proportional to 217,345.68, 326,039.24 and 67,545.63

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Solution

The fourth proportional to 217,345.68, 326,039.24 and 67,545.63 is: 101,324.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,345.68 : 326,039.24 = 67,545.63 : x
  2. Step 2: Convert to fraction form
    217,345.68/326,039.24 = 67,545.63/x
  3. Step 3: Cross multiply
    217,345.68x = 326,039.24 × 67,545.63
  4. Step 4: Simplify right side
    217,345.68x = 22,022,526,039.39
  5. Step 5: Solve for x
    x = 22,022,526,039.39/217,345.68
  6. Step 6: Final answer
    x = 101,324.89

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1.5x scale

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.