Home / 355,388.20-533,082.30-189,500.20

Finding the Fourth Proportional to 355,388.20, 533,082.30 and 189,500.20

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Solution

The fourth proportional to 355,388.20, 533,082.30 and 189,500.20 is: 284,250.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,388.20 : 533,082.30 = 189,500.20 : x
  2. Step 2: Convert to fraction form
    355,388.20/533,082.30 = 189,500.20/x
  3. Step 3: Cross multiply
    355,388.20x = 533,082.30 × 189,500.20
  4. Step 4: Simplify right side
    355,388.20x = 101,019,202,466.46
  5. Step 5: Solve for x
    x = 101,019,202,466.46/355,388.20
  6. Step 6: Final answer
    x = 284,250.30

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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.