Home / 163,504.55-225,634.23-91,896.69

Finding the Fourth Proportional to 163,504.55, 225,634.23 and 91,896.69

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Solution

The fourth proportional to 163,504.55, 225,634.23 and 91,896.69 is: 126,816.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,504.55 : 225,634.23 = 91,896.69 : x
  2. Step 2: Convert to fraction form
    163,504.55/225,634.23 = 91,896.69/x
  3. Step 3: Cross multiply
    163,504.55x = 225,634.23 × 91,896.69
  4. Step 4: Simplify right side
    163,504.55x = 20,735,038,887.70
  5. Step 5: Solve for x
    x = 20,735,038,887.70/163,504.55
  6. Step 6: Final answer
    x = 126,816.28

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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.