Home / 190,734.14-263,113.68-113,164.64

Finding the Fourth Proportional to 190,734.14, 263,113.68 and 113,164.64

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Solution

The fourth proportional to 190,734.14, 263,113.68 and 113,164.64 is: 156,108.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,734.14 : 263,113.68 = 113,164.64 : x
  2. Step 2: Convert to fraction form
    190,734.14/263,113.68 = 113,164.64/x
  3. Step 3: Cross multiply
    190,734.14x = 263,113.68 × 113,164.64
  4. Step 4: Simplify right side
    190,734.14x = 29,775,164,876.28
  5. Step 5: Solve for x
    x = 29,775,164,876.28/190,734.14
  6. Step 6: Final answer
    x = 156,108.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.