Home / 119,143.22-164,418.20-68,156.51

Finding the Fourth Proportional to 119,143.22, 164,418.20 and 68,156.51

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Solution

The fourth proportional to 119,143.22, 164,418.20 and 68,156.51 is: 94,056.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,143.22 : 164,418.20 = 68,156.51 : x
  2. Step 2: Convert to fraction form
    119,143.22/164,418.20 = 68,156.51/x
  3. Step 3: Cross multiply
    119,143.22x = 164,418.20 × 68,156.51
  4. Step 4: Simplify right side
    119,143.22x = 11,206,171,018.33
  5. Step 5: Solve for x
    x = 11,206,171,018.33/119,143.22
  6. Step 6: Final answer
    x = 94,056.30

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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.