Home / 119,740.38-165,252.82-68,759.80

Finding the Fourth Proportional to 119,740.38, 165,252.82 and 68,759.80

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Solution

The fourth proportional to 119,740.38, 165,252.82 and 68,759.80 is: 94,894.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,740.38 : 165,252.82 = 68,759.80 : x
  2. Step 2: Convert to fraction form
    119,740.38/165,252.82 = 68,759.80/x
  3. Step 3: Cross multiply
    119,740.38x = 165,252.82 × 68,759.80
  4. Step 4: Simplify right side
    119,740.38x = 11,362,750,852.64
  5. Step 5: Solve for x
    x = 11,362,750,852.64/119,740.38
  6. Step 6: Final answer
    x = 94,894.90

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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.