Home / 231,933.83-320,087.14-136,458.98

Finding the Fourth Proportional to 231,933.83, 320,087.14 and 136,458.98

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Solution

The fourth proportional to 231,933.83, 320,087.14 and 136,458.98 is: 188,324.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,933.83 : 320,087.14 = 136,458.98 : x
  2. Step 2: Convert to fraction form
    231,933.83/320,087.14 = 136,458.98/x
  3. Step 3: Cross multiply
    231,933.83x = 320,087.14 × 136,458.98
  4. Step 4: Simplify right side
    231,933.83x = 43,678,764,661.84
  5. Step 5: Solve for x
    x = 43,678,764,661.84/231,933.83
  6. Step 6: Final answer
    x = 188,324.25

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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.