Home / 400,162.26-552,237.03-218,874.18

Finding the Fourth Proportional to 400,162.26, 552,237.03 and 218,874.18

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Solution

The fourth proportional to 400,162.26, 552,237.03 and 218,874.18 is: 302,053.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,162.26 : 552,237.03 = 218,874.18 : x
  2. Step 2: Convert to fraction form
    400,162.26/552,237.03 = 218,874.18/x
  3. Step 3: Cross multiply
    400,162.26x = 552,237.03 × 218,874.18
  4. Step 4: Simplify right side
    400,162.26x = 120,870,427,106.89
  5. Step 5: Solve for x
    x = 120,870,427,106.89/400,162.26
  6. Step 6: Final answer
    x = 302,053.54

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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.