Home / 245,398.10-368,105.33-67,890.24

Finding the Fourth Proportional to 245,398.10, 368,105.33 and 67,890.24

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Solution

The fourth proportional to 245,398.10, 368,105.33 and 67,890.24 is: 101,837.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,398.10 : 368,105.33 = 67,890.24 : x
  2. Step 2: Convert to fraction form
    245,398.10/368,105.33 = 67,890.24/x
  3. Step 3: Cross multiply
    245,398.10x = 368,105.33 × 67,890.24
  4. Step 4: Simplify right side
    245,398.10x = 24,990,758,859.53
  5. Step 5: Solve for x
    x = 24,990,758,859.53/245,398.10
  6. Step 6: Final answer
    x = 101,837.62

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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.