Home / 149,305.20-206,033.40-92,715.36

Finding the Fourth Proportional to 149,305.20, 206,033.40 and 92,715.36

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Solution

The fourth proportional to 149,305.20, 206,033.40 and 92,715.36 is: 127,942.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,305.20 : 206,033.40 = 92,715.36 : x
  2. Step 2: Convert to fraction form
    149,305.20/206,033.40 = 92,715.36/x
  3. Step 3: Cross multiply
    149,305.20x = 206,033.40 × 92,715.36
  4. Step 4: Simplify right side
    149,305.20x = 19,102,460,853.02
  5. Step 5: Solve for x
    x = 19,102,460,853.02/149,305.20
  6. Step 6: Final answer
    x = 127,942.37

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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.