Home / 187,766.16-259,127.67-107,219.55

Finding the Fourth Proportional to 187,766.16, 259,127.67 and 107,219.55

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Solution

The fourth proportional to 187,766.16, 259,127.67 and 107,219.55 is: 147,968.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,766.16 : 259,127.67 = 107,219.55 : x
  2. Step 2: Convert to fraction form
    187,766.16/259,127.67 = 107,219.55/x
  3. Step 3: Cross multiply
    187,766.16x = 259,127.67 × 107,219.55
  4. Step 4: Simplify right side
    187,766.16x = 27,783,552,169.95
  5. Step 5: Solve for x
    x = 27,783,552,169.95/187,766.16
  6. Step 6: Final answer
    x = 147,968.90

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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.