Home / 339,823.28-468,946.20-186,861.31

Finding the Fourth Proportional to 339,823.28, 468,946.20 and 186,861.31

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Solution

The fourth proportional to 339,823.28, 468,946.20 and 186,861.31 is: 257,863.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,823.28 : 468,946.20 = 186,861.31 : x
  2. Step 2: Convert to fraction form
    339,823.28/468,946.20 = 186,861.31/x
  3. Step 3: Cross multiply
    339,823.28x = 468,946.20 × 186,861.31
  4. Step 4: Simplify right side
    339,823.28x = 87,627,901,251.52
  5. Step 5: Solve for x
    x = 87,627,901,251.52/339,823.28
  6. Step 6: Final answer
    x = 257,863.15

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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.