Home / 149,131.44-205,877.61-115,063.38

Finding the Fourth Proportional to 149,131.44, 205,877.61 and 115,063.38

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Solution

The fourth proportional to 149,131.44, 205,877.61 and 115,063.38 is: 158,846.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,131.44 : 205,877.61 = 115,063.38 : x
  2. Step 2: Convert to fraction form
    149,131.44/205,877.61 = 115,063.38/x
  3. Step 3: Cross multiply
    149,131.44x = 205,877.61 × 115,063.38
  4. Step 4: Simplify right side
    149,131.44x = 23,688,973,672.92
  5. Step 5: Solve for x
    x = 23,688,973,672.92/149,131.44
  6. Step 6: Final answer
    x = 158,846.27

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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.