Home / 190,844.80-286,398.38-66,185.80

Finding the Fourth Proportional to 190,844.80, 286,398.38 and 66,185.80

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Solution

The fourth proportional to 190,844.80, 286,398.38 and 66,185.80 is: 99,324.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,844.80 : 286,398.38 = 66,185.80 : x
  2. Step 2: Convert to fraction form
    190,844.80/286,398.38 = 66,185.80/x
  3. Step 3: Cross multiply
    190,844.80x = 286,398.38 × 66,185.80
  4. Step 4: Simplify right side
    190,844.80x = 18,955,505,899.00
  5. Step 5: Solve for x
    x = 18,955,505,899.00/190,844.80
  6. Step 6: Final answer
    x = 99,324.19

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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.