Home / 149,004.06-205,633.08-92,433.66

Finding the Fourth Proportional to 149,004.06, 205,633.08 and 92,433.66

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Solution

The fourth proportional to 149,004.06, 205,633.08 and 92,433.66 is: 127,563.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,004.06 : 205,633.08 = 92,433.66 : x
  2. Step 2: Convert to fraction form
    149,004.06/205,633.08 = 92,433.66/x
  3. Step 3: Cross multiply
    149,004.06x = 205,633.08 × 92,433.66
  4. Step 4: Simplify right side
    149,004.06x = 19,007,418,201.47
  5. Step 5: Solve for x
    x = 19,007,418,201.47/149,004.06
  6. Step 6: Final answer
    x = 127,563.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.