Home / 172,028.23-258,049.17-53,699.58

Finding the Fourth Proportional to 172,028.23, 258,049.17 and 53,699.58

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Solution

The fourth proportional to 172,028.23, 258,049.17 and 53,699.58 is: 80,551.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,028.23 : 258,049.17 = 53,699.58 : x
  2. Step 2: Convert to fraction form
    172,028.23/258,049.17 = 53,699.58/x
  3. Step 3: Cross multiply
    172,028.23x = 258,049.17 × 53,699.58
  4. Step 4: Simplify right side
    172,028.23x = 13,857,132,048.35
  5. Step 5: Solve for x
    x = 13,857,132,048.35/172,028.23
  6. Step 6: Final answer
    x = 80,551.50

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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.