Home / 185,974.30-256,644.70-101,091.36

Finding the Fourth Proportional to 185,974.30, 256,644.70 and 101,091.36

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Solution

The fourth proportional to 185,974.30, 256,644.70 and 101,091.36 is: 139,506.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,974.30 : 256,644.70 = 101,091.36 : x
  2. Step 2: Convert to fraction form
    185,974.30/256,644.70 = 101,091.36/x
  3. Step 3: Cross multiply
    185,974.30x = 256,644.70 × 101,091.36
  4. Step 4: Simplify right side
    185,974.30x = 25,944,561,759.79
  5. Step 5: Solve for x
    x = 25,944,561,759.79/185,974.30
  6. Step 6: Final answer
    x = 139,506.17

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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.