Home / 190,649.89-285,976.86-57,531.32

Finding the Fourth Proportional to 190,649.89, 285,976.86 and 57,531.32

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Solution

The fourth proportional to 190,649.89, 285,976.86 and 57,531.32 is: 86,297.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,649.89 : 285,976.86 = 57,531.32 : x
  2. Step 2: Convert to fraction form
    190,649.89/285,976.86 = 57,531.32/x
  3. Step 3: Cross multiply
    190,649.89x = 285,976.86 × 57,531.32
  4. Step 4: Simplify right side
    190,649.89x = 16,452,626,245.26
  5. Step 5: Solve for x
    x = 16,452,626,245.26/190,649.89
  6. Step 6: Final answer
    x = 86,297.59

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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.