Home / 373,844.80-515,836.77-212,690.44

Finding the Fourth Proportional to 373,844.80, 515,836.77 and 212,690.44

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Solution

The fourth proportional to 373,844.80, 515,836.77 and 212,690.44 is: 293,473.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,844.80 : 515,836.77 = 212,690.44 : x
  2. Step 2: Convert to fraction form
    373,844.80/515,836.77 = 212,690.44/x
  3. Step 3: Cross multiply
    373,844.80x = 515,836.77 × 212,690.44
  4. Step 4: Simplify right side
    373,844.80x = 109,713,549,579.48
  5. Step 5: Solve for x
    x = 109,713,549,579.48/373,844.80
  6. Step 6: Final answer
    x = 293,473.52

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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.