Home / 302,116.80-453,175.20-272,049.60

Finding the Fourth Proportional to 302,116.80, 453,175.20 and 272,049.60

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Solution

The fourth proportional to 302,116.80, 453,175.20 and 272,049.60 is: 408,074.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,116.80 : 453,175.20 = 272,049.60 : x
  2. Step 2: Convert to fraction form
    302,116.80/453,175.20 = 272,049.60/x
  3. Step 3: Cross multiply
    302,116.80x = 453,175.20 × 272,049.60
  4. Step 4: Simplify right side
    302,116.80x = 123,286,131,889.92
  5. Step 5: Solve for x
    x = 123,286,131,889.92/302,116.80
  6. Step 6: Final answer
    x = 408,074.40

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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.