Home / 187,553.20-258,825.14-111,076.64

Finding the Fourth Proportional to 187,553.20, 258,825.14 and 111,076.64

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Solution

The fourth proportional to 187,553.20, 258,825.14 and 111,076.64 is: 153,286.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,553.20 : 258,825.14 = 111,076.64 : x
  2. Step 2: Convert to fraction form
    187,553.20/258,825.14 = 111,076.64/x
  3. Step 3: Cross multiply
    187,553.20x = 258,825.14 × 111,076.64
  4. Step 4: Simplify right side
    187,553.20x = 28,749,426,898.73
  5. Step 5: Solve for x
    x = 28,749,426,898.73/187,553.20
  6. Step 6: Final answer
    x = 153,286.78

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1.5x scale

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.