Home / 180,326.01-270,513.61-75,120.38

Finding the Fourth Proportional to 180,326.01, 270,513.61 and 75,120.38

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Solution

The fourth proportional to 180,326.01, 270,513.61 and 75,120.38 is: 112,690.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,326.01 : 270,513.61 = 75,120.38 : x
  2. Step 2: Convert to fraction form
    180,326.01/270,513.61 = 75,120.38/x
  3. Step 3: Cross multiply
    180,326.01x = 270,513.61 × 75,120.38
  4. Step 4: Simplify right side
    180,326.01x = 20,321,083,825.80
  5. Step 5: Solve for x
    x = 20,321,083,825.80/180,326.01
  6. Step 6: Final answer
    x = 112,690.81

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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.