Home / 212,936.62-319,393.98-63,178.14

Finding the Fourth Proportional to 212,936.62, 319,393.98 and 63,178.14

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Solution

The fourth proportional to 212,936.62, 319,393.98 and 63,178.14 is: 94,763.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,936.62 : 319,393.98 = 63,178.14 : x
  2. Step 2: Convert to fraction form
    212,936.62/319,393.98 = 63,178.14/x
  3. Step 3: Cross multiply
    212,936.62x = 319,393.98 × 63,178.14
  4. Step 4: Simplify right side
    212,936.62x = 20,178,717,583.60
  5. Step 5: Solve for x
    x = 20,178,717,583.60/212,936.62
  6. Step 6: Final answer
    x = 94,763.96

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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.