Home / 172,333.89-258,500.87-54,005.19

Finding the Fourth Proportional to 172,333.89, 258,500.87 and 54,005.19

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Solution

The fourth proportional to 172,333.89, 258,500.87 and 54,005.19 is: 81,007.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,333.89 : 258,500.87 = 54,005.19 : x
  2. Step 2: Convert to fraction form
    172,333.89/258,500.87 = 54,005.19/x
  3. Step 3: Cross multiply
    172,333.89x = 258,500.87 × 54,005.19
  4. Step 4: Simplify right side
    172,333.89x = 13,960,388,329.49
  5. Step 5: Solve for x
    x = 13,960,388,329.49/172,333.89
  6. Step 6: Final answer
    x = 81,007.79

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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.