Home / 119,883.24-165,438.54-66,167.91

Finding the Fourth Proportional to 119,883.24, 165,438.54 and 66,167.91

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Solution

The fourth proportional to 119,883.24, 165,438.54 and 66,167.91 is: 91,311.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,883.24 : 165,438.54 = 66,167.91 : x
  2. Step 2: Convert to fraction form
    119,883.24/165,438.54 = 66,167.91/x
  3. Step 3: Cross multiply
    119,883.24x = 165,438.54 × 66,167.91
  4. Step 4: Simplify right side
    119,883.24x = 10,946,722,425.25
  5. Step 5: Solve for x
    x = 10,946,722,425.25/119,883.24
  6. Step 6: Final answer
    x = 91,311.53

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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.