Home / 166,317.52-229,507.44-90,865.96

Finding the Fourth Proportional to 166,317.52, 229,507.44 and 90,865.96

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Solution

The fourth proportional to 166,317.52, 229,507.44 and 90,865.96 is: 125,389.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,317.52 : 229,507.44 = 90,865.96 : x
  2. Step 2: Convert to fraction form
    166,317.52/229,507.44 = 90,865.96/x
  3. Step 3: Cross multiply
    166,317.52x = 229,507.44 × 90,865.96
  4. Step 4: Simplify right side
    166,317.52x = 20,854,413,862.74
  5. Step 5: Solve for x
    x = 20,854,413,862.74/166,317.52
  6. Step 6: Final answer
    x = 125,389.16

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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.