Home / 373,579.17-515,518.25-212,473.41

Finding the Fourth Proportional to 373,579.17, 515,518.25 and 212,473.41

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Solution

The fourth proportional to 373,579.17, 515,518.25 and 212,473.41 is: 293,201.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,579.17 : 515,518.25 = 212,473.41 : x
  2. Step 2: Convert to fraction form
    373,579.17/515,518.25 = 212,473.41/x
  3. Step 3: Cross multiply
    373,579.17x = 515,518.25 × 212,473.41
  4. Step 4: Simplify right side
    373,579.17x = 109,533,920,494.73
  5. Step 5: Solve for x
    x = 109,533,920,494.73/373,579.17
  6. Step 6: Final answer
    x = 293,201.36

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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.