Home / 149,005.06-205,634.46-92,434.66

Finding the Fourth Proportional to 149,005.06, 205,634.46 and 92,434.66

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Solution

The fourth proportional to 149,005.06, 205,634.46 and 92,434.66 is: 127,564.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,005.06 : 205,634.46 = 92,434.66 : x
  2. Step 2: Convert to fraction form
    149,005.06/205,634.46 = 92,434.66/x
  3. Step 3: Cross multiply
    149,005.06x = 205,634.46 × 92,434.66
  4. Step 4: Simplify right side
    149,005.06x = 19,007,751,394.38
  5. Step 5: Solve for x
    x = 19,007,751,394.38/149,005.06
  6. Step 6: Final answer
    x = 127,564.47

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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.