Home / 213,787.61-320,691.75-56,016.22

Finding the Fourth Proportional to 213,787.61, 320,691.75 and 56,016.22

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Solution

The fourth proportional to 213,787.61, 320,691.75 and 56,016.22 is: 84,027.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,787.61 : 320,691.75 = 56,016.22 : x
  2. Step 2: Convert to fraction form
    213,787.61/320,691.75 = 56,016.22/x
  3. Step 3: Cross multiply
    213,787.61x = 320,691.75 × 56,016.22
  4. Step 4: Simplify right side
    213,787.61x = 17,963,938,608.39
  5. Step 5: Solve for x
    x = 17,963,938,608.39/213,787.61
  6. Step 6: Final answer
    x = 84,027.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.