Home / 172,529.26-258,419.63-83,596.25

Finding the Fourth Proportional to 172,529.26, 258,419.63 and 83,596.25

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Solution

The fourth proportional to 172,529.26, 258,419.63 and 83,596.25 is: 125,213.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,529.26 : 258,419.63 = 83,596.25 : x
  2. Step 2: Convert to fraction form
    172,529.26/258,419.63 = 83,596.25/x
  3. Step 3: Cross multiply
    172,529.26x = 258,419.63 × 83,596.25
  4. Step 4: Simplify right side
    172,529.26x = 21,602,912,849.43
  5. Step 5: Solve for x
    x = 21,602,912,849.43/172,529.26
  6. Step 6: Final answer
    x = 125,213.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.