Home / 173,102.20-259,653.30-54,782.80

Finding the Fourth Proportional to 173,102.20, 259,653.30 and 54,782.80

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Solution

The fourth proportional to 173,102.20, 259,653.30 and 54,782.80 is: 82,174.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,102.20 : 259,653.30 = 54,782.80 : x
  2. Step 2: Convert to fraction form
    173,102.20/259,653.30 = 54,782.80/x
  3. Step 3: Cross multiply
    173,102.20x = 259,653.30 × 54,782.80
  4. Step 4: Simplify right side
    173,102.20x = 14,224,534,803.24
  5. Step 5: Solve for x
    x = 14,224,534,803.24/173,102.20
  6. Step 6: Final answer
    x = 82,174.20

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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.