Home / 384,141.30-530,144.37-212,092.44

Finding the Fourth Proportional to 384,141.30, 530,144.37 and 212,092.44

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Solution

The fourth proportional to 384,141.30, 530,144.37 and 212,092.44 is: 292,703.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,141.30 : 530,144.37 = 212,092.44 : x
  2. Step 2: Convert to fraction form
    384,141.30/530,144.37 = 212,092.44/x
  3. Step 3: Cross multiply
    384,141.30x = 530,144.37 × 212,092.44
  4. Step 4: Simplify right side
    384,141.30x = 112,439,612,985.56
  5. Step 5: Solve for x
    x = 112,439,612,985.56/384,141.30
  6. Step 6: Final answer
    x = 292,703.79

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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.