Home / 194,507.07-268,424.49-108,465.21

Finding the Fourth Proportional to 194,507.07, 268,424.49 and 108,465.21

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Solution

The fourth proportional to 194,507.07, 268,424.49 and 108,465.21 is: 149,684.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,507.07 : 268,424.49 = 108,465.21 : x
  2. Step 2: Convert to fraction form
    194,507.07/268,424.49 = 108,465.21/x
  3. Step 3: Cross multiply
    194,507.07x = 268,424.49 × 108,465.21
  4. Step 4: Simplify right side
    194,507.07x = 29,114,718,676.99
  5. Step 5: Solve for x
    x = 29,114,718,676.99/194,507.07
  6. Step 6: Final answer
    x = 149,684.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.