Home / 297,091.47-409,986.45-161,125.38

Finding the Fourth Proportional to 297,091.47, 409,986.45 and 161,125.38

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Solution

The fourth proportional to 297,091.47, 409,986.45 and 161,125.38 is: 222,353.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,091.47 : 409,986.45 = 161,125.38 : x
  2. Step 2: Convert to fraction form
    297,091.47/409,986.45 = 161,125.38/x
  3. Step 3: Cross multiply
    297,091.47x = 409,986.45 × 161,125.38
  4. Step 4: Simplify right side
    297,091.47x = 66,059,222,551.10
  5. Step 5: Solve for x
    x = 66,059,222,551.10/297,091.47
  6. Step 6: Final answer
    x = 222,353.14

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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.