Home / 212,847.44-319,303.96-72,573.24

Finding the Fourth Proportional to 212,847.44, 319,303.96 and 72,573.24

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Solution

The fourth proportional to 212,847.44, 319,303.96 and 72,573.24 is: 108,871.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,847.44 : 319,303.96 = 72,573.24 : x
  2. Step 2: Convert to fraction form
    212,847.44/319,303.96 = 72,573.24/x
  3. Step 3: Cross multiply
    212,847.44x = 319,303.96 × 72,573.24
  4. Step 4: Simplify right side
    212,847.44x = 23,172,922,922.03
  5. Step 5: Solve for x
    x = 23,172,922,922.03/212,847.44
  6. Step 6: Final answer
    x = 108,871.04

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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.