Home / 318,579.88-439,636.90-175,336.85

Finding the Fourth Proportional to 318,579.88, 439,636.90 and 175,336.85

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Solution

The fourth proportional to 318,579.88, 439,636.90 and 175,336.85 is: 241,963.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,579.88 : 439,636.90 = 175,336.85 : x
  2. Step 2: Convert to fraction form
    318,579.88/439,636.90 = 175,336.85/x
  3. Step 3: Cross multiply
    318,579.88x = 439,636.90 × 175,336.85
  4. Step 4: Simplify right side
    318,579.88x = 77,084,546,114.90
  5. Step 5: Solve for x
    x = 77,084,546,114.90/318,579.88
  6. Step 6: Final answer
    x = 241,963.01

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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.