Home / 171,614.20-257,445.60-53,273.20

Finding the Fourth Proportional to 171,614.20, 257,445.60 and 53,273.20

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Solution

The fourth proportional to 171,614.20, 257,445.60 and 53,273.20 is: 79,917.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,614.20 : 257,445.60 = 53,273.20 : x
  2. Step 2: Convert to fraction form
    171,614.20/257,445.60 = 53,273.20/x
  3. Step 3: Cross multiply
    171,614.20x = 257,445.60 × 53,273.20
  4. Step 4: Simplify right side
    171,614.20x = 13,714,950,937.92
  5. Step 5: Solve for x
    x = 13,714,950,937.92/171,614.20
  6. Step 6: Final answer
    x = 79,917.34

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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.