Home / 187,583.56-258,865.45-101,542.28

Finding the Fourth Proportional to 187,583.56, 258,865.45 and 101,542.28

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Solution

The fourth proportional to 187,583.56, 258,865.45 and 101,542.28 is: 140,128.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,583.56 : 258,865.45 = 101,542.28 : x
  2. Step 2: Convert to fraction form
    187,583.56/258,865.45 = 101,542.28/x
  3. Step 3: Cross multiply
    187,583.56x = 258,865.45 × 101,542.28
  4. Step 4: Simplify right side
    187,583.56x = 26,285,787,029.22
  5. Step 5: Solve for x
    x = 26,285,787,029.22/187,583.56
  6. Step 6: Final answer
    x = 140,128.41

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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.