Home / 297,095.06-409,993.26-161,129.72

Finding the Fourth Proportional to 297,095.06, 409,993.26 and 161,129.72

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Solution

The fourth proportional to 297,095.06, 409,993.26 and 161,129.72 is: 222,360.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,095.06 : 409,993.26 = 161,129.72 : x
  2. Step 2: Convert to fraction form
    297,095.06/409,993.26 = 161,129.72/x
  3. Step 3: Cross multiply
    297,095.06x = 409,993.26 × 161,129.72
  4. Step 4: Simplify right side
    297,095.06x = 66,062,099,185.69
  5. Step 5: Solve for x
    x = 66,062,099,185.69/297,095.06
  6. Step 6: Final answer
    x = 222,360.14

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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.