Home / 414,170.41-621,101.79-144,229.23

Finding the Fourth Proportional to 414,170.41, 621,101.79 and 144,229.23

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Solution

The fourth proportional to 414,170.41, 621,101.79 and 144,229.23 is: 216,290.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,170.41 : 621,101.79 = 144,229.23 : x
  2. Step 2: Convert to fraction form
    414,170.41/621,101.79 = 144,229.23/x
  3. Step 3: Cross multiply
    414,170.41x = 621,101.79 × 144,229.23
  4. Step 4: Simplify right side
    414,170.41x = 89,581,032,923.32
  5. Step 5: Solve for x
    x = 89,581,032,923.32/414,170.41
  6. Step 6: Final answer
    x = 216,290.28

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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.