Home / 212,977.96-319,533.42-63,218.92

Finding the Fourth Proportional to 212,977.96, 319,533.42 and 63,218.92

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Solution

The fourth proportional to 212,977.96, 319,533.42 and 63,218.92 is: 94,848.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,977.96 : 319,533.42 = 63,218.92 : x
  2. Step 2: Convert to fraction form
    212,977.96/319,533.42 = 63,218.92/x
  3. Step 3: Cross multiply
    212,977.96x = 319,533.42 × 63,218.92
  4. Step 4: Simplify right side
    212,977.96x = 20,200,557,716.31
  5. Step 5: Solve for x
    x = 20,200,557,716.31/212,977.96
  6. Step 6: Final answer
    x = 94,848.11

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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.