Home / 163,464.40-225,581.07-91,844.38

Finding the Fourth Proportional to 163,464.40, 225,581.07 and 91,844.38

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Solution

The fourth proportional to 163,464.40, 225,581.07 and 91,844.38 is: 126,745.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,464.40 : 225,581.07 = 91,844.38 : x
  2. Step 2: Convert to fraction form
    163,464.40/225,581.07 = 91,844.38/x
  3. Step 3: Cross multiply
    163,464.40x = 225,581.07 × 91,844.38
  4. Step 4: Simplify right side
    163,464.40x = 20,718,353,513.89
  5. Step 5: Solve for x
    x = 20,718,353,513.89/163,464.40
  6. Step 6: Final answer
    x = 126,745.36

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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.