Home / 187,654.57-258,981.79-107,094.22

Finding the Fourth Proportional to 187,654.57, 258,981.79 and 107,094.22

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Solution

The fourth proportional to 187,654.57, 258,981.79 and 107,094.22 is: 147,800.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,654.57 : 258,981.79 = 107,094.22 : x
  2. Step 2: Convert to fraction form
    187,654.57/258,981.79 = 107,094.22/x
  3. Step 3: Cross multiply
    187,654.57x = 258,981.79 × 107,094.22
  4. Step 4: Simplify right side
    187,654.57x = 27,735,452,794.25
  5. Step 5: Solve for x
    x = 27,735,452,794.25/187,654.57
  6. Step 6: Final answer
    x = 147,800.57

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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.