Home / 220,116.03-303,761.24-124,641.33

Finding the Fourth Proportional to 220,116.03, 303,761.24 and 124,641.33

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Solution

The fourth proportional to 220,116.03, 303,761.24 and 124,641.33 is: 172,005.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,116.03 : 303,761.24 = 124,641.33 : x
  2. Step 2: Convert to fraction form
    220,116.03/303,761.24 = 124,641.33/x
  3. Step 3: Cross multiply
    220,116.03x = 303,761.24 × 124,641.33
  4. Step 4: Simplify right side
    220,116.03x = 37,861,204,956.05
  5. Step 5: Solve for x
    x = 37,861,204,956.05/220,116.03
  6. Step 6: Final answer
    x = 172,005.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.