Home / 171,755.72-257,509.03-115,456.19

Finding the Fourth Proportional to 171,755.72, 257,509.03 and 115,456.19

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Solution

The fourth proportional to 171,755.72, 257,509.03 and 115,456.19 is: 173,100.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,755.72 : 257,509.03 = 115,456.19 : x
  2. Step 2: Convert to fraction form
    171,755.72/257,509.03 = 115,456.19/x
  3. Step 3: Cross multiply
    171,755.72x = 257,509.03 × 115,456.19
  4. Step 4: Simplify right side
    171,755.72x = 29,731,011,480.11
  5. Step 5: Solve for x
    x = 29,731,011,480.11/171,755.72
  6. Step 6: Final answer
    x = 173,100.56

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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.