Home / 190,649.65-285,976.68-57,531.06

Finding the Fourth Proportional to 190,649.65, 285,976.68 and 57,531.06

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Solution

The fourth proportional to 190,649.65, 285,976.68 and 57,531.06 is: 86,297.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,649.65 : 285,976.68 = 57,531.06 : x
  2. Step 2: Convert to fraction form
    190,649.65/285,976.68 = 57,531.06/x
  3. Step 3: Cross multiply
    190,649.65x = 285,976.68 × 57,531.06
  4. Step 4: Simplify right side
    190,649.65x = 16,452,541,319.94
  5. Step 5: Solve for x
    x = 16,452,541,319.94/190,649.65
  6. Step 6: Final answer
    x = 86,297.25

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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.