Home / 227,133.72-313,451.01-126,538.20

Finding the Fourth Proportional to 227,133.72, 313,451.01 and 126,538.20

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Solution

The fourth proportional to 227,133.72, 313,451.01 and 126,538.20 is: 174,626.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,133.72 : 313,451.01 = 126,538.20 : x
  2. Step 2: Convert to fraction form
    227,133.72/313,451.01 = 126,538.20/x
  3. Step 3: Cross multiply
    227,133.72x = 313,451.01 × 126,538.20
  4. Step 4: Simplify right side
    227,133.72x = 39,663,526,593.58
  5. Step 5: Solve for x
    x = 39,663,526,593.58/227,133.72
  6. Step 6: Final answer
    x = 174,626.32

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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.