Home / 133,742.55-200,503.26-104,290.95

Finding the Fourth Proportional to 133,742.55, 200,503.26 and 104,290.95

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Solution

The fourth proportional to 133,742.55, 200,503.26 and 104,290.95 is: 156,350.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,742.55 : 200,503.26 = 104,290.95 : x
  2. Step 2: Convert to fraction form
    133,742.55/200,503.26 = 104,290.95/x
  3. Step 3: Cross multiply
    133,742.55x = 200,503.26 × 104,290.95
  4. Step 4: Simplify right side
    133,742.55x = 20,910,675,463.50
  5. Step 5: Solve for x
    x = 20,910,675,463.50/133,742.55
  6. Step 6: Final answer
    x = 156,350.21

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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.