Home / 134,418.80-201,628.77-54,458.33

Finding the Fourth Proportional to 134,418.80, 201,628.77 and 54,458.33

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Solution

The fourth proportional to 134,418.80, 201,628.77 and 54,458.33 is: 81,687.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,418.80 : 201,628.77 = 54,458.33 : x
  2. Step 2: Convert to fraction form
    134,418.80/201,628.77 = 54,458.33/x
  3. Step 3: Cross multiply
    134,418.80x = 201,628.77 × 54,458.33
  4. Step 4: Simplify right side
    134,418.80x = 10,980,365,086.01
  5. Step 5: Solve for x
    x = 10,980,365,086.01/134,418.80
  6. Step 6: Final answer
    x = 81,687.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.