Home / 189,025-283,590.05-82,418.28

Finding the Fourth Proportional to 189,025, 283,590.05 and 82,418.28

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Solution

The fourth proportional to 189,025, 283,590.05 and 82,418.28 is: 123,650.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,025 : 283,590.05 = 82,418.28 : x
  2. Step 2: Convert to fraction form
    189,025/283,590.05 = 82,418.28/x
  3. Step 3: Cross multiply
    189,025x = 283,590.05 × 82,418.28
  4. Step 4: Simplify right side
    189,025x = 23,373,004,146.11
  5. Step 5: Solve for x
    x = 23,373,004,146.11/189,025
  6. Step 6: Final answer
    x = 123,650.33

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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.