Home / 212,539.41-318,882.92-94,293.78

Finding the Fourth Proportional to 212,539.41, 318,882.92 and 94,293.78

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Solution

The fourth proportional to 212,539.41, 318,882.92 and 94,293.78 is: 141,473.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,539.41 : 318,882.92 = 94,293.78 : x
  2. Step 2: Convert to fraction form
    212,539.41/318,882.92 = 94,293.78/x
  3. Step 3: Cross multiply
    212,539.41x = 318,882.92 × 94,293.78
  4. Step 4: Simplify right side
    212,539.41x = 30,068,675,432.77
  5. Step 5: Solve for x
    x = 30,068,675,432.77/212,539.41
  6. Step 6: Final answer
    x = 141,473.41

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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.