Home / 185,983.22-256,651.44-105,418.16

Finding the Fourth Proportional to 185,983.22, 256,651.44 and 105,418.16

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Solution

The fourth proportional to 185,983.22, 256,651.44 and 105,418.16 is: 145,474.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,983.22 : 256,651.44 = 105,418.16 : x
  2. Step 2: Convert to fraction form
    185,983.22/256,651.44 = 105,418.16/x
  3. Step 3: Cross multiply
    185,983.22x = 256,651.44 × 105,418.16
  4. Step 4: Simplify right side
    185,983.22x = 27,055,722,566.15
  5. Step 5: Solve for x
    x = 27,055,722,566.15/185,983.22
  6. Step 6: Final answer
    x = 145,474.00

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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.