Home / 328,899.20-453,880.92-177,996.20

Finding the Fourth Proportional to 328,899.20, 453,880.92 and 177,996.20

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Solution

The fourth proportional to 328,899.20, 453,880.92 and 177,996.20 is: 245,634.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,899.20 : 453,880.92 = 177,996.20 : x
  2. Step 2: Convert to fraction form
    328,899.20/453,880.92 = 177,996.20/x
  3. Step 3: Cross multiply
    328,899.20x = 453,880.92 × 177,996.20
  4. Step 4: Simplify right side
    328,899.20x = 80,789,076,743.10
  5. Step 5: Solve for x
    x = 80,789,076,743.10/328,899.20
  6. Step 6: Final answer
    x = 245,634.77

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1.5x scale

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.