Home / 187,671.42-258,990.75-107,097.35

Finding the Fourth Proportional to 187,671.42, 258,990.75 and 107,097.35

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Solution

The fourth proportional to 187,671.42, 258,990.75 and 107,097.35 is: 147,796.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,671.42 : 258,990.75 = 107,097.35 : x
  2. Step 2: Convert to fraction form
    187,671.42/258,990.75 = 107,097.35/x
  3. Step 3: Cross multiply
    187,671.42x = 258,990.75 × 107,097.35
  4. Step 4: Simplify right side
    187,671.42x = 27,737,221,704.56
  5. Step 5: Solve for x
    x = 27,737,221,704.56/187,671.42
  6. Step 6: Final answer
    x = 147,796.73

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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.