Home / 119,257.78-164,579.44-65,541.82

Finding the Fourth Proportional to 119,257.78, 164,579.44 and 65,541.82

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Solution

The fourth proportional to 119,257.78, 164,579.44 and 65,541.82 is: 90,449.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,257.78 : 164,579.44 = 65,541.82 : x
  2. Step 2: Convert to fraction form
    119,257.78/164,579.44 = 65,541.82/x
  3. Step 3: Cross multiply
    119,257.78x = 164,579.44 × 65,541.82
  4. Step 4: Simplify right side
    119,257.78x = 10,786,836,032.18
  5. Step 5: Solve for x
    x = 10,786,836,032.18/119,257.78
  6. Step 6: Final answer
    x = 90,449.75

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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.