Home / 187,652.42-258,955.28-107,078.48

Finding the Fourth Proportional to 187,652.42, 258,955.28 and 107,078.48

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Solution

The fourth proportional to 187,652.42, 258,955.28 and 107,078.48 is: 147,765.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,652.42 : 258,955.28 = 107,078.48 : x
  2. Step 2: Convert to fraction form
    187,652.42/258,955.28 = 107,078.48/x
  3. Step 3: Cross multiply
    187,652.42x = 258,955.28 × 107,078.48
  4. Step 4: Simplify right side
    187,652.42x = 27,728,537,770.37
  5. Step 5: Solve for x
    x = 27,728,537,770.37/187,652.42
  6. Step 6: Final answer
    x = 147,765.42

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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.