Home / 212,933.61-319,389.48-63,175.14

Finding the Fourth Proportional to 212,933.61, 319,389.48 and 63,175.14

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Solution

The fourth proportional to 212,933.61, 319,389.48 and 63,175.14 is: 94,759.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,933.61 : 319,389.48 = 63,175.14 : x
  2. Step 2: Convert to fraction form
    212,933.61/319,389.48 = 63,175.14/x
  3. Step 3: Cross multiply
    212,933.61x = 319,389.48 × 63,175.14
  4. Step 4: Simplify right side
    212,933.61x = 20,177,475,113.53
  5. Step 5: Solve for x
    x = 20,177,475,113.53/212,933.61
  6. Step 6: Final answer
    x = 94,759.47

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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.