Home / 267,659.10-401,488.38-80,670.60

Finding the Fourth Proportional to 267,659.10, 401,488.38 and 80,670.60

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Solution

The fourth proportional to 267,659.10, 401,488.38 and 80,670.60 is: 121,005.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,659.10 : 401,488.38 = 80,670.60 : x
  2. Step 2: Convert to fraction form
    267,659.10/401,488.38 = 80,670.60/x
  3. Step 3: Cross multiply
    267,659.10x = 401,488.38 × 80,670.60
  4. Step 4: Simplify right side
    267,659.10x = 32,388,308,507.63
  5. Step 5: Solve for x
    x = 32,388,308,507.63/267,659.10
  6. Step 6: Final answer
    x = 121,005.82

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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.