Home / 267,636.45-401,433.81-99,077.49

Finding the Fourth Proportional to 267,636.45, 401,433.81 and 99,077.49

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Solution

The fourth proportional to 267,636.45, 401,433.81 and 99,077.49 is: 148,608.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,636.45 : 401,433.81 = 99,077.49 : x
  2. Step 2: Convert to fraction form
    267,636.45/401,433.81 = 99,077.49/x
  3. Step 3: Cross multiply
    267,636.45x = 401,433.81 × 99,077.49
  4. Step 4: Simplify right side
    267,636.45x = 39,773,054,295.94
  5. Step 5: Solve for x
    x = 39,773,054,295.94/267,636.45
  6. Step 6: Final answer
    x = 148,608.51

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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.