Home / 267,939.20-401,325.60-162,574.40

Finding the Fourth Proportional to 267,939.20, 401,325.60 and 162,574.40

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Solution

The fourth proportional to 267,939.20, 401,325.60 and 162,574.40 is: 243,507.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,939.20 : 401,325.60 = 162,574.40 : x
  2. Step 2: Convert to fraction form
    267,939.20/401,325.60 = 162,574.40/x
  3. Step 3: Cross multiply
    267,939.20x = 401,325.60 × 162,574.40
  4. Step 4: Simplify right side
    267,939.20x = 65,245,268,624.64
  5. Step 5: Solve for x
    x = 65,245,268,624.64/267,939.20
  6. Step 6: Final answer
    x = 243,507.74

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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.