Home / 371,745.28-557,628.84-91,262.52

Finding the Fourth Proportional to 371,745.28, 557,628.84 and 91,262.52

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Solution

The fourth proportional to 371,745.28, 557,628.84 and 91,262.52 is: 136,896.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,745.28 : 557,628.84 = 91,262.52 : x
  2. Step 2: Convert to fraction form
    371,745.28/557,628.84 = 91,262.52/x
  3. Step 3: Cross multiply
    371,745.28x = 557,628.84 × 91,262.52
  4. Step 4: Simplify right side
    371,745.28x = 50,890,613,163.08
  5. Step 5: Solve for x
    x = 50,890,613,163.08/371,745.28
  6. Step 6: Final answer
    x = 136,896.46

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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.