Home / 235,538.82-324,936.36-139,991.22

Finding the Fourth Proportional to 235,538.82, 324,936.36 and 139,991.22

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Solution

The fourth proportional to 235,538.82, 324,936.36 and 139,991.22 is: 193,124.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,538.82 : 324,936.36 = 139,991.22 : x
  2. Step 2: Convert to fraction form
    235,538.82/324,936.36 = 139,991.22/x
  3. Step 3: Cross multiply
    235,538.82x = 324,936.36 × 139,991.22
  4. Step 4: Simplify right side
    235,538.82x = 45,488,237,458.76
  5. Step 5: Solve for x
    x = 45,488,237,458.76/235,538.82
  6. Step 6: Final answer
    x = 193,124.16

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1.5x scale

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.