Home / 231,944.14-320,053.03-136,415.98

Finding the Fourth Proportional to 231,944.14, 320,053.03 and 136,415.98

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Solution

The fourth proportional to 231,944.14, 320,053.03 and 136,415.98 is: 188,236.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,944.14 : 320,053.03 = 136,415.98 : x
  2. Step 2: Convert to fraction form
    231,944.14/320,053.03 = 136,415.98/x
  3. Step 3: Cross multiply
    231,944.14x = 320,053.03 × 136,415.98
  4. Step 4: Simplify right side
    231,944.14x = 43,660,347,739.42
  5. Step 5: Solve for x
    x = 43,660,347,739.42/231,944.14
  6. Step 6: Final answer
    x = 188,236.48

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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.