Home / 373,192.80-515,006.96-212,101.35

Finding the Fourth Proportional to 373,192.80, 515,006.96 and 212,101.35

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Solution

The fourth proportional to 373,192.80, 515,006.96 and 212,101.35 is: 292,700.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,192.80 : 515,006.96 = 212,101.35 : x
  2. Step 2: Convert to fraction form
    373,192.80/515,006.96 = 212,101.35/x
  3. Step 3: Cross multiply
    373,192.80x = 515,006.96 × 212,101.35
  4. Step 4: Simplify right side
    373,192.80x = 109,233,670,414.89
  5. Step 5: Solve for x
    x = 109,233,670,414.89/373,192.80
  6. Step 6: Final answer
    x = 292,700.37

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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.