Home / 267,619.40-401,429.10-168,086.60

Finding the Fourth Proportional to 267,619.40, 401,429.10 and 168,086.60

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Solution

The fourth proportional to 267,619.40, 401,429.10 and 168,086.60 is: 252,129.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,619.40 : 401,429.10 = 168,086.60 : x
  2. Step 2: Convert to fraction form
    267,619.40/401,429.10 = 168,086.60/x
  3. Step 3: Cross multiply
    267,619.40x = 401,429.10 × 168,086.60
  4. Step 4: Simplify right side
    267,619.40x = 67,474,852,560.06
  5. Step 5: Solve for x
    x = 67,474,852,560.06/267,619.40
  6. Step 6: Final answer
    x = 252,129.90

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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.