Home / 172,318.24-258,477.45-53,998.84

Finding the Fourth Proportional to 172,318.24, 258,477.45 and 53,998.84

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Solution

The fourth proportional to 172,318.24, 258,477.45 and 53,998.84 is: 80,998.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,318.24 : 258,477.45 = 53,998.84 : x
  2. Step 2: Convert to fraction form
    172,318.24/258,477.45 = 53,998.84/x
  3. Step 3: Cross multiply
    172,318.24x = 258,477.45 × 53,998.84
  4. Step 4: Simplify right side
    172,318.24x = 13,957,482,466.16
  5. Step 5: Solve for x
    x = 13,957,482,466.16/172,318.24
  6. Step 6: Final answer
    x = 80,998.29

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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.