Home / 124,414.90-186,622.35-68,233.30

Finding the Fourth Proportional to 124,414.90, 186,622.35 and 68,233.30

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Solution

The fourth proportional to 124,414.90, 186,622.35 and 68,233.30 is: 102,349.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,414.90 : 186,622.35 = 68,233.30 : x
  2. Step 2: Convert to fraction form
    124,414.90/186,622.35 = 68,233.30/x
  3. Step 3: Cross multiply
    124,414.90x = 186,622.35 × 68,233.30
  4. Step 4: Simplify right side
    124,414.90x = 12,733,858,794.26
  5. Step 5: Solve for x
    x = 12,733,858,794.26/124,414.90
  6. Step 6: Final answer
    x = 102,349.95

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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.