Home / 212,599.11-318,794.89-92,757.35

Finding the Fourth Proportional to 212,599.11, 318,794.89 and 92,757.35

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Solution

The fourth proportional to 212,599.11, 318,794.89 and 92,757.35 is: 139,090.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,599.11 : 318,794.89 = 92,757.35 : x
  2. Step 2: Convert to fraction form
    212,599.11/318,794.89 = 92,757.35/x
  3. Step 3: Cross multiply
    212,599.11x = 318,794.89 × 92,757.35
  4. Step 4: Simplify right side
    212,599.11x = 29,570,569,928.96
  5. Step 5: Solve for x
    x = 29,570,569,928.96/212,599.11
  6. Step 6: Final answer
    x = 139,090.75

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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.