Home / 302,968.20-454,452.30-163,000.20

Finding the Fourth Proportional to 302,968.20, 454,452.30 and 163,000.20

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Solution

The fourth proportional to 302,968.20, 454,452.30 and 163,000.20 is: 244,500.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,968.20 : 454,452.30 = 163,000.20 : x
  2. Step 2: Convert to fraction form
    302,968.20/454,452.30 = 163,000.20/x
  3. Step 3: Cross multiply
    302,968.20x = 454,452.30 × 163,000.20
  4. Step 4: Simplify right side
    302,968.20x = 74,075,815,790.46
  5. Step 5: Solve for x
    x = 74,075,815,790.46/302,968.20
  6. Step 6: Final answer
    x = 244,500.30

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Similar ratio
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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.