Home / 267,521.49-401,334.66-99,043.20

Finding the Fourth Proportional to 267,521.49, 401,334.66 and 99,043.20

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Solution

The fourth proportional to 267,521.49, 401,334.66 and 99,043.20 is: 148,584.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,521.49 : 401,334.66 = 99,043.20 : x
  2. Step 2: Convert to fraction form
    267,521.49/401,334.66 = 99,043.20/x
  3. Step 3: Cross multiply
    267,521.49x = 401,334.66 × 99,043.20
  4. Step 4: Simplify right side
    267,521.49x = 39,749,468,997.31
  5. Step 5: Solve for x
    x = 39,749,468,997.31/267,521.49
  6. Step 6: Final answer
    x = 148,584.21

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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.