Home / 190,936.62-286,406.43-57,827.28

Finding the Fourth Proportional to 190,936.62, 286,406.43 and 57,827.28

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Solution

The fourth proportional to 190,936.62, 286,406.43 and 57,827.28 is: 86,741.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,936.62 : 286,406.43 = 57,827.28 : x
  2. Step 2: Convert to fraction form
    190,936.62/286,406.43 = 57,827.28/x
  3. Step 3: Cross multiply
    190,936.62x = 286,406.43 × 57,827.28
  4. Step 4: Simplify right side
    190,936.62x = 16,562,104,821.41
  5. Step 5: Solve for x
    x = 16,562,104,821.41/190,936.62
  6. Step 6: Final answer
    x = 86,741.37

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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.