Home / 340,311.24-510,782.48-171,949.80

Finding the Fourth Proportional to 340,311.24, 510,782.48 and 171,949.80

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Solution

The fourth proportional to 340,311.24, 510,782.48 and 171,949.80 is: 258,084.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,311.24 : 510,782.48 = 171,949.80 : x
  2. Step 2: Convert to fraction form
    340,311.24/510,782.48 = 171,949.80/x
  3. Step 3: Cross multiply
    340,311.24x = 510,782.48 × 171,949.80
  4. Step 4: Simplify right side
    340,311.24x = 87,828,944,764.68
  5. Step 5: Solve for x
    x = 87,828,944,764.68/340,311.24
  6. Step 6: Final answer
    x = 258,084.17

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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.