Home / 218,275.56-301,257.36-161,211.33

Finding the Fourth Proportional to 218,275.56, 301,257.36 and 161,211.33

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Solution

The fourth proportional to 218,275.56, 301,257.36 and 161,211.33 is: 222,499.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,275.56 : 301,257.36 = 161,211.33 : x
  2. Step 2: Convert to fraction form
    218,275.56/301,257.36 = 161,211.33/x
  3. Step 3: Cross multiply
    218,275.56x = 301,257.36 × 161,211.33
  4. Step 4: Simplify right side
    218,275.56x = 48,566,099,677.89
  5. Step 5: Solve for x
    x = 48,566,099,677.89/218,275.56
  6. Step 6: Final answer
    x = 222,499.03

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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.