Home / 267,025.07-400,486.61-80,036.57

Finding the Fourth Proportional to 267,025.07, 400,486.61 and 80,036.57

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Solution

The fourth proportional to 267,025.07, 400,486.61 and 80,036.57 is: 120,039.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,025.07 : 400,486.61 = 80,036.57 : x
  2. Step 2: Convert to fraction form
    267,025.07/400,486.61 = 80,036.57/x
  3. Step 3: Cross multiply
    267,025.07x = 400,486.61 × 80,036.57
  4. Step 4: Simplify right side
    267,025.07x = 32,053,572,592.89
  5. Step 5: Solve for x
    x = 32,053,572,592.89/267,025.07
  6. Step 6: Final answer
    x = 120,039.56

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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.