Home / 187,661.64-258,977.34-102,777.96

Finding the Fourth Proportional to 187,661.64, 258,977.34 and 102,777.96

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Solution

The fourth proportional to 187,661.64, 258,977.34 and 102,777.96 is: 141,835.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,661.64 : 258,977.34 = 102,777.96 : x
  2. Step 2: Convert to fraction form
    187,661.64/258,977.34 = 102,777.96/x
  3. Step 3: Cross multiply
    187,661.64x = 258,977.34 × 102,777.96
  4. Step 4: Simplify right side
    187,661.64x = 26,617,162,691.43
  5. Step 5: Solve for x
    x = 26,617,162,691.43/187,661.64
  6. Step 6: Final answer
    x = 141,835.93

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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.