Home / 302,022.40-452,515.20-196,787.20

Finding the Fourth Proportional to 302,022.40, 452,515.20 and 196,787.20

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Solution

The fourth proportional to 302,022.40, 452,515.20 and 196,787.20 is: 294,843.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,022.40 : 452,515.20 = 196,787.20 : x
  2. Step 2: Convert to fraction form
    302,022.40/452,515.20 = 196,787.20/x
  3. Step 3: Cross multiply
    302,022.40x = 452,515.20 × 196,787.20
  4. Step 4: Simplify right side
    302,022.40x = 89,049,199,165.44
  5. Step 5: Solve for x
    x = 89,049,199,165.44/302,022.40
  6. Step 6: Final answer
    x = 294,843.03

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1.5x scale

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.