Home / 300,318.68-414,296.19-185,555.85

Finding the Fourth Proportional to 300,318.68, 414,296.19 and 185,555.85

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Solution

The fourth proportional to 300,318.68, 414,296.19 and 185,555.85 is: 255,978.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,318.68 : 414,296.19 = 185,555.85 : x
  2. Step 2: Convert to fraction form
    300,318.68/414,296.19 = 185,555.85/x
  3. Step 3: Cross multiply
    300,318.68x = 414,296.19 × 185,555.85
  4. Step 4: Simplify right side
    300,318.68x = 76,875,081,687.21
  5. Step 5: Solve for x
    x = 76,875,081,687.21/300,318.68
  6. Step 6: Final answer
    x = 255,978.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.