Home / 148,766.81-223,187.98-68,862.42

Finding the Fourth Proportional to 148,766.81, 223,187.98 and 68,862.42

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Solution

The fourth proportional to 148,766.81, 223,187.98 and 68,862.42 is: 103,311.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,766.81 : 223,187.98 = 68,862.42 : x
  2. Step 2: Convert to fraction form
    148,766.81/223,187.98 = 68,862.42/x
  3. Step 3: Cross multiply
    148,766.81x = 223,187.98 × 68,862.42
  4. Step 4: Simplify right side
    148,766.81x = 15,369,264,245.56
  5. Step 5: Solve for x
    x = 15,369,264,245.56/148,766.81
  6. Step 6: Final answer
    x = 103,311.11

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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.