Home / 318,586.26-439,578.45-184,372.50

Finding the Fourth Proportional to 318,586.26, 439,578.45 and 184,372.50

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Solution

The fourth proportional to 318,586.26, 439,578.45 and 184,372.50 is: 254,393.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,586.26 : 439,578.45 = 184,372.50 : x
  2. Step 2: Convert to fraction form
    318,586.26/439,578.45 = 184,372.50/x
  3. Step 3: Cross multiply
    318,586.26x = 439,578.45 × 184,372.50
  4. Step 4: Simplify right side
    318,586.26x = 81,046,177,772.63
  5. Step 5: Solve for x
    x = 81,046,177,772.63/318,586.26
  6. Step 6: Final answer
    x = 254,393.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.