Home / 267,845.58-401,756.85-80,851.50

Finding the Fourth Proportional to 267,845.58, 401,756.85 and 80,851.50

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Solution

The fourth proportional to 267,845.58, 401,756.85 and 80,851.50 is: 121,273.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,845.58 : 401,756.85 = 80,851.50 : x
  2. Step 2: Convert to fraction form
    267,845.58/401,756.85 = 80,851.50/x
  3. Step 3: Cross multiply
    267,845.58x = 401,756.85 × 80,851.50
  4. Step 4: Simplify right side
    267,845.58x = 32,482,643,957.78
  5. Step 5: Solve for x
    x = 32,482,643,957.78/267,845.58
  6. Step 6: Final answer
    x = 121,273.77

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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.