Home / 133,505.10-200,257.65-83,738.70

Finding the Fourth Proportional to 133,505.10, 200,257.65 and 83,738.70

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Solution

The fourth proportional to 133,505.10, 200,257.65 and 83,738.70 is: 125,608.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,505.10 : 200,257.65 = 83,738.70 : x
  2. Step 2: Convert to fraction form
    133,505.10/200,257.65 = 83,738.70/x
  3. Step 3: Cross multiply
    133,505.10x = 200,257.65 × 83,738.70
  4. Step 4: Simplify right side
    133,505.10x = 16,769,315,276.06
  5. Step 5: Solve for x
    x = 16,769,315,276.06/133,505.10
  6. Step 6: Final answer
    x = 125,608.05

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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.