Home / 319,457.90-479,244.23-109,046.63

Finding the Fourth Proportional to 319,457.90, 479,244.23 and 109,046.63

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Solution

The fourth proportional to 319,457.90, 479,244.23 and 109,046.63 is: 163,589.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,457.90 : 479,244.23 = 109,046.63 : x
  2. Step 2: Convert to fraction form
    319,457.90/479,244.23 = 109,046.63/x
  3. Step 3: Cross multiply
    319,457.90x = 479,244.23 × 109,046.63
  4. Step 4: Simplify right side
    319,457.90x = 52,259,968,228.44
  5. Step 5: Solve for x
    x = 52,259,968,228.44/319,457.90
  6. Step 6: Final answer
    x = 163,589.53

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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.