Home / 245,986.20-368,979.30-224,213.40

Finding the Fourth Proportional to 245,986.20, 368,979.30 and 224,213.40

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Solution

The fourth proportional to 245,986.20, 368,979.30 and 224,213.40 is: 336,320.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,986.20 : 368,979.30 = 224,213.40 : x
  2. Step 2: Convert to fraction form
    245,986.20/368,979.30 = 224,213.40/x
  3. Step 3: Cross multiply
    245,986.20x = 368,979.30 × 224,213.40
  4. Step 4: Simplify right side
    245,986.20x = 82,730,103,382.62
  5. Step 5: Solve for x
    x = 82,730,103,382.62/245,986.20
  6. Step 6: Final answer
    x = 336,320.10

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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.