Home / 142,652.85-213,824.82-92,768.75

Finding the Fourth Proportional to 142,652.85, 213,824.82 and 92,768.75

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Solution

The fourth proportional to 142,652.85, 213,824.82 and 92,768.75 is: 139,052.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,652.85 : 213,824.82 = 92,768.75 : x
  2. Step 2: Convert to fraction form
    142,652.85/213,824.82 = 92,768.75/x
  3. Step 3: Cross multiply
    142,652.85x = 213,824.82 × 92,768.75
  4. Step 4: Simplify right side
    142,652.85x = 19,836,260,655.21
  5. Step 5: Solve for x
    x = 19,836,260,655.21/142,652.85
  6. Step 6: Final answer
    x = 139,052.68

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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.