Home / 270,575.20-405,419.49-144,081.13

Finding the Fourth Proportional to 270,575.20, 405,419.49 and 144,081.13

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Solution

The fourth proportional to 270,575.20, 405,419.49 and 144,081.13 is: 215,885.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,575.20 : 405,419.49 = 144,081.13 : x
  2. Step 2: Convert to fraction form
    270,575.20/405,419.49 = 144,081.13/x
  3. Step 3: Cross multiply
    270,575.20x = 405,419.49 × 144,081.13
  4. Step 4: Simplify right side
    270,575.20x = 58,413,298,243.22
  5. Step 5: Solve for x
    x = 58,413,298,243.22/270,575.20
  6. Step 6: Final answer
    x = 215,885.63

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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.