Home / 204,324.78-306,484.09-91,925.63

Finding the Fourth Proportional to 204,324.78, 306,484.09 and 91,925.63

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Solution

The fourth proportional to 204,324.78, 306,484.09 and 91,925.63 is: 137,887.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,324.78 : 306,484.09 = 91,925.63 : x
  2. Step 2: Convert to fraction form
    204,324.78/306,484.09 = 91,925.63/x
  3. Step 3: Cross multiply
    204,324.78x = 306,484.09 × 91,925.63
  4. Step 4: Simplify right side
    204,324.78x = 28,173,741,295.99
  5. Step 5: Solve for x
    x = 28,173,741,295.99/204,324.78
  6. Step 6: Final answer
    x = 137,887.05

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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.