Home / 172,268.92-258,453.60-105,751.72

Finding the Fourth Proportional to 172,268.92, 258,453.60 and 105,751.72

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Solution

The fourth proportional to 172,268.92, 258,453.60 and 105,751.72 is: 158,658.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,268.92 : 258,453.60 = 105,751.72 : x
  2. Step 2: Convert to fraction form
    172,268.92/258,453.60 = 105,751.72/x
  3. Step 3: Cross multiply
    172,268.92x = 258,453.60 × 105,751.72
  4. Step 4: Simplify right side
    172,268.92x = 27,331,912,740.19
  5. Step 5: Solve for x
    x = 27,331,912,740.19/172,268.92
  6. Step 6: Final answer
    x = 158,658.41

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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.