Home / 190,991.25-286,093.21-111,865.59

Finding the Fourth Proportional to 190,991.25, 286,093.21 and 111,865.59

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Solution

The fourth proportional to 190,991.25, 286,093.21 and 111,865.59 is: 167,567.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,991.25 : 286,093.21 = 111,865.59 : x
  2. Step 2: Convert to fraction form
    190,991.25/286,093.21 = 111,865.59/x
  3. Step 3: Cross multiply
    190,991.25x = 286,093.21 × 111,865.59
  4. Step 4: Simplify right side
    190,991.25x = 32,003,985,731.64
  5. Step 5: Solve for x
    x = 32,003,985,731.64/190,991.25
  6. Step 6: Final answer
    x = 167,567.81

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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.