Home / 187,125.78-258,233.72-101,084.75

Finding the Fourth Proportional to 187,125.78, 258,233.72 and 101,084.75

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Solution

The fourth proportional to 187,125.78, 258,233.72 and 101,084.75 is: 139,497.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,125.78 : 258,233.72 = 101,084.75 : x
  2. Step 2: Convert to fraction form
    187,125.78/258,233.72 = 101,084.75/x
  3. Step 3: Cross multiply
    187,125.78x = 258,233.72 × 101,084.75
  4. Step 4: Simplify right side
    187,125.78x = 26,103,489,231.18
  5. Step 5: Solve for x
    x = 26,103,489,231.18/187,125.78
  6. Step 6: Final answer
    x = 139,497.02

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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.