Home / 189,113.30-283,712.00-82,514.54

Finding the Fourth Proportional to 189,113.30, 283,712.00 and 82,514.54

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Solution

The fourth proportional to 189,113.30, 283,712.00 and 82,514.54 is: 123,790.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,113.30 : 283,712.00 = 82,514.54 : x
  2. Step 2: Convert to fraction form
    189,113.30/283,712.00 = 82,514.54/x
  3. Step 3: Cross multiply
    189,113.30x = 283,712.00 × 82,514.54
  4. Step 4: Simplify right side
    189,113.30x = 23,410,363,341.35
  5. Step 5: Solve for x
    x = 23,410,363,341.35/189,113.30
  6. Step 6: Final answer
    x = 123,790.15

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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.