Home / 250,259.22-345,357.87-137,083.86

Finding the Fourth Proportional to 250,259.22, 345,357.87 and 137,083.86

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Solution

The fourth proportional to 250,259.22, 345,357.87 and 137,083.86 is: 189,175.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,259.22 : 345,357.87 = 137,083.86 : x
  2. Step 2: Convert to fraction form
    250,259.22/345,357.87 = 137,083.86/x
  3. Step 3: Cross multiply
    250,259.22x = 345,357.87 × 137,083.86
  4. Step 4: Simplify right side
    250,259.22x = 47,342,989,900.98
  5. Step 5: Solve for x
    x = 47,342,989,900.98/250,259.22
  6. Step 6: Final answer
    x = 189,175.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.