Home / 136,168.20-204,033.60-89,366.40

Finding the Fourth Proportional to 136,168.20, 204,033.60 and 89,366.40

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Solution

The fourth proportional to 136,168.20, 204,033.60 and 89,366.40 is: 133,906.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,168.20 : 204,033.60 = 89,366.40 : x
  2. Step 2: Convert to fraction form
    136,168.20/204,033.60 = 89,366.40/x
  3. Step 3: Cross multiply
    136,168.20x = 204,033.60 × 89,366.40
  4. Step 4: Simplify right side
    136,168.20x = 18,233,748,311.04
  5. Step 5: Solve for x
    x = 18,233,748,311.04/136,168.20
  6. Step 6: Final answer
    x = 133,906.07

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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.