Home / 267,864.44-401,783.64-99,417.56

Finding the Fourth Proportional to 267,864.44, 401,783.64 and 99,417.56

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Solution

The fourth proportional to 267,864.44, 401,783.64 and 99,417.56 is: 149,121.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,864.44 : 401,783.64 = 99,417.56 : x
  2. Step 2: Convert to fraction form
    267,864.44/401,783.64 = 99,417.56/x
  3. Step 3: Cross multiply
    267,864.44x = 401,783.64 × 99,417.56
  4. Step 4: Simplify right side
    267,864.44x = 39,944,349,136.72
  5. Step 5: Solve for x
    x = 39,944,349,136.72/267,864.44
  6. Step 6: Final answer
    x = 149,121.51

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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.