Home / 190,858.20-286,287.30-179,971.80

Finding the Fourth Proportional to 190,858.20, 286,287.30 and 179,971.80

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Solution

The fourth proportional to 190,858.20, 286,287.30 and 179,971.80 is: 269,957.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,858.20 : 286,287.30 = 179,971.80 : x
  2. Step 2: Convert to fraction form
    190,858.20/286,287.30 = 179,971.80/x
  3. Step 3: Cross multiply
    190,858.20x = 286,287.30 × 179,971.80
  4. Step 4: Simplify right side
    190,858.20x = 51,523,640,698.14
  5. Step 5: Solve for x
    x = 51,523,640,698.14/190,858.20
  6. Step 6: Final answer
    x = 269,957.70

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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.