Home / 133,938.68-200,766.40-48,492.56

Finding the Fourth Proportional to 133,938.68, 200,766.40 and 48,492.56

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Solution

The fourth proportional to 133,938.68, 200,766.40 and 48,492.56 is: 72,687.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,938.68 : 200,766.40 = 48,492.56 : x
  2. Step 2: Convert to fraction form
    133,938.68/200,766.40 = 48,492.56/x
  3. Step 3: Cross multiply
    133,938.68x = 200,766.40 × 48,492.56
  4. Step 4: Simplify right side
    133,938.68x = 9,735,676,697.98
  5. Step 5: Solve for x
    x = 9,735,676,697.98/133,938.68
  6. Step 6: Final answer
    x = 72,687.57

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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.