Home / 133,550.10-200,033.55-80,867.70

Finding the Fourth Proportional to 133,550.10, 200,033.55 and 80,867.70

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Solution

The fourth proportional to 133,550.10, 200,033.55 and 80,867.70 is: 121,124.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,550.10 : 200,033.55 = 80,867.70 : x
  2. Step 2: Convert to fraction form
    133,550.10/200,033.55 = 80,867.70/x
  3. Step 3: Cross multiply
    133,550.10x = 200,033.55 × 80,867.70
  4. Step 4: Simplify right side
    133,550.10x = 16,176,253,111.34
  5. Step 5: Solve for x
    x = 16,176,253,111.34/133,550.10
  6. Step 6: Final answer
    x = 121,124.98

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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.