Home / 382,872.35-574,308.53-102,382.31

Finding the Fourth Proportional to 382,872.35, 574,308.53 and 102,382.31

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Solution

The fourth proportional to 382,872.35, 574,308.53 and 102,382.31 is: 153,573.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,872.35 : 574,308.53 = 102,382.31 : x
  2. Step 2: Convert to fraction form
    382,872.35/574,308.53 = 102,382.31/x
  3. Step 3: Cross multiply
    382,872.35x = 574,308.53 × 102,382.31
  4. Step 4: Simplify right side
    382,872.35x = 58,799,035,261.90
  5. Step 5: Solve for x
    x = 58,799,035,261.90/382,872.35
  6. Step 6: Final answer
    x = 153,573.47

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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.