Home / 119,827.55-165,376.67-68,840.19

Finding the Fourth Proportional to 119,827.55, 165,376.67 and 68,840.19

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Solution

The fourth proportional to 119,827.55, 165,376.67 and 68,840.19 is: 95,007.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,827.55 : 165,376.67 = 68,840.19 : x
  2. Step 2: Convert to fraction form
    119,827.55/165,376.67 = 68,840.19/x
  3. Step 3: Cross multiply
    119,827.55x = 165,376.67 × 68,840.19
  4. Step 4: Simplify right side
    119,827.55x = 11,384,561,427.39
  5. Step 5: Solve for x
    x = 11,384,561,427.39/119,827.55
  6. Step 6: Final answer
    x = 95,007.88

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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.