Home / 133,734.20-200,439.30-77,466.20

Finding the Fourth Proportional to 133,734.20, 200,439.30 and 77,466.20

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Solution

The fourth proportional to 133,734.20, 200,439.30 and 77,466.20 is: 116,105.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,734.20 : 200,439.30 = 77,466.20 : x
  2. Step 2: Convert to fraction form
    133,734.20/200,439.30 = 77,466.20/x
  3. Step 3: Cross multiply
    133,734.20x = 200,439.30 × 77,466.20
  4. Step 4: Simplify right side
    133,734.20x = 15,527,270,901.66
  5. Step 5: Solve for x
    x = 15,527,270,901.66/133,734.20
  6. Step 6: Final answer
    x = 116,105.46

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1.5x scale

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.