Home / 172,002.48-258,015.60-72,062.26

Finding the Fourth Proportional to 172,002.48, 258,015.60 and 72,062.26

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Solution

The fourth proportional to 172,002.48, 258,015.60 and 72,062.26 is: 108,098.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,002.48 : 258,015.60 = 72,062.26 : x
  2. Step 2: Convert to fraction form
    172,002.48/258,015.60 = 72,062.26/x
  3. Step 3: Cross multiply
    172,002.48x = 258,015.60 × 72,062.26
  4. Step 4: Simplify right side
    172,002.48x = 18,593,187,251.26
  5. Step 5: Solve for x
    x = 18,593,187,251.26/172,002.48
  6. Step 6: Final answer
    x = 108,098.37

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1.5x scale

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.