Home / 187,671.18-258,986.37-101,630.84

Finding the Fourth Proportional to 187,671.18, 258,986.37 and 101,630.84

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Solution

The fourth proportional to 187,671.18, 258,986.37 and 101,630.84 is: 140,250.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,671.18 : 258,986.37 = 101,630.84 : x
  2. Step 2: Convert to fraction form
    187,671.18/258,986.37 = 101,630.84/x
  3. Step 3: Cross multiply
    187,671.18x = 258,986.37 × 101,630.84
  4. Step 4: Simplify right side
    187,671.18x = 26,321,002,979.12
  5. Step 5: Solve for x
    x = 26,321,002,979.12/187,671.18
  6. Step 6: Final answer
    x = 140,250.64

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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.