Home / 171,511.92-257,265.54-53,183.34

Finding the Fourth Proportional to 171,511.92, 257,265.54 and 53,183.34

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Solution

The fourth proportional to 171,511.92, 257,265.54 and 53,183.34 is: 79,774.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,511.92 : 257,265.54 = 53,183.34 : x
  2. Step 2: Convert to fraction form
    171,511.92/257,265.54 = 53,183.34/x
  3. Step 3: Cross multiply
    171,511.92x = 257,265.54 × 53,183.34
  4. Step 4: Simplify right side
    171,511.92x = 13,682,240,684.10
  5. Step 5: Solve for x
    x = 13,682,240,684.10/171,511.92
  6. Step 6: Final answer
    x = 79,774.28

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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.