Home / 132,791.07-183,249.29-72,362.21

Finding the Fourth Proportional to 132,791.07, 183,249.29 and 72,362.21

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Solution

The fourth proportional to 132,791.07, 183,249.29 and 72,362.21 is: 99,858.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,791.07 : 183,249.29 = 72,362.21 : x
  2. Step 2: Convert to fraction form
    132,791.07/183,249.29 = 72,362.21/x
  3. Step 3: Cross multiply
    132,791.07x = 183,249.29 × 72,362.21
  4. Step 4: Simplify right side
    132,791.07x = 13,260,322,869.99
  5. Step 5: Solve for x
    x = 13,260,322,869.99/132,791.07
  6. Step 6: Final answer
    x = 99,858.54

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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.