Home / 283,257.75-424,275-133,273.29

Finding the Fourth Proportional to 283,257.75, 424,275 and 133,273.29

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Solution

The fourth proportional to 283,257.75, 424,275 and 133,273.29 is: 199,622.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,257.75 : 424,275 = 133,273.29 : x
  2. Step 2: Convert to fraction form
    283,257.75/424,275 = 133,273.29/x
  3. Step 3: Cross multiply
    283,257.75x = 424,275 × 133,273.29
  4. Step 4: Simplify right side
    283,257.75x = 56,544,525,114.75
  5. Step 5: Solve for x
    x = 56,544,525,114.75/283,257.75
  6. Step 6: Final answer
    x = 199,622.16

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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.