Home / 119,757.58-165,263.16-66,047.56

Finding the Fourth Proportional to 119,757.58, 165,263.16 and 66,047.56

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Solution

The fourth proportional to 119,757.58, 165,263.16 and 66,047.56 is: 91,144.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,757.58 : 165,263.16 = 66,047.56 : x
  2. Step 2: Convert to fraction form
    119,757.58/165,263.16 = 66,047.56/x
  3. Step 3: Cross multiply
    119,757.58x = 165,263.16 × 66,047.56
  4. Step 4: Simplify right side
    119,757.58x = 10,915,228,475.89
  5. Step 5: Solve for x
    x = 10,915,228,475.89/119,757.58
  6. Step 6: Final answer
    x = 91,144.36

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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.