Home / 190,744.11-286,214.58-78,507.27

Finding the Fourth Proportional to 190,744.11, 286,214.58 and 78,507.27

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Solution

The fourth proportional to 190,744.11, 286,214.58 and 78,507.27 is: 117,801.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,744.11 : 286,214.58 = 78,507.27 : x
  2. Step 2: Convert to fraction form
    190,744.11/286,214.58 = 78,507.27/x
  3. Step 3: Cross multiply
    190,744.11x = 286,214.58 × 78,507.27
  4. Step 4: Simplify right side
    190,744.11x = 22,469,925,310.00
  5. Step 5: Solve for x
    x = 22,469,925,310.00/190,744.11
  6. Step 6: Final answer
    x = 117,801.41

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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.