Home / 187,433.78-258,652.18-106,887.23

Finding the Fourth Proportional to 187,433.78, 258,652.18 and 106,887.23

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Solution

The fourth proportional to 187,433.78, 258,652.18 and 106,887.23 is: 147,500.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,433.78 : 258,652.18 = 106,887.23 : x
  2. Step 2: Convert to fraction form
    187,433.78/258,652.18 = 106,887.23/x
  3. Step 3: Cross multiply
    187,433.78x = 258,652.18 × 106,887.23
  4. Step 4: Simplify right side
    187,433.78x = 27,646,615,053.66
  5. Step 5: Solve for x
    x = 27,646,615,053.66/187,433.78
  6. Step 6: Final answer
    x = 147,500.71

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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.