Home / 187,650.80-258,953.04-107,076.86

Finding the Fourth Proportional to 187,650.80, 258,953.04 and 107,076.86

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Solution

The fourth proportional to 187,650.80, 258,953.04 and 107,076.86 is: 147,763.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,650.80 : 258,953.04 = 107,076.86 : x
  2. Step 2: Convert to fraction form
    187,650.80/258,953.04 = 107,076.86/x
  3. Step 3: Cross multiply
    187,650.80x = 258,953.04 × 107,076.86
  4. Step 4: Simplify right side
    187,650.80x = 27,727,877,115.89
  5. Step 5: Solve for x
    x = 27,727,877,115.89/187,650.80
  6. Step 6: Final answer
    x = 147,763.17

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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.