Home / 133,738.30-200,626.19-43,788.05

Finding the Fourth Proportional to 133,738.30, 200,626.19 and 43,788.05

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Solution

The fourth proportional to 133,738.30, 200,626.19 and 43,788.05 is: 65,688.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,738.30 : 200,626.19 = 43,788.05 : x
  2. Step 2: Convert to fraction form
    133,738.30/200,626.19 = 43,788.05/x
  3. Step 3: Cross multiply
    133,738.30x = 200,626.19 × 43,788.05
  4. Step 4: Simplify right side
    133,738.30x = 8,785,029,333.51
  5. Step 5: Solve for x
    x = 8,785,029,333.51/133,738.30
  6. Step 6: Final answer
    x = 65,688.21

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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.