Home / 260,414.92-390,218.37-180,608.59

Finding the Fourth Proportional to 260,414.92, 390,218.37 and 180,608.59

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Solution

The fourth proportional to 260,414.92, 390,218.37 and 180,608.59 is: 270,632.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,414.92 : 390,218.37 = 180,608.59 : x
  2. Step 2: Convert to fraction form
    260,414.92/390,218.37 = 180,608.59/x
  3. Step 3: Cross multiply
    260,414.92x = 390,218.37 × 180,608.59
  4. Step 4: Simplify right side
    260,414.92x = 70,476,789,597.80
  5. Step 5: Solve for x
    x = 70,476,789,597.80/260,414.92
  6. Step 6: Final answer
    x = 270,632.69

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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.