Home / 163,292.36-225,366.71-91,677.22

Finding the Fourth Proportional to 163,292.36, 225,366.71 and 91,677.22

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Solution

The fourth proportional to 163,292.36, 225,366.71 and 91,677.22 is: 126,527.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,292.36 : 225,366.71 = 91,677.22 : x
  2. Step 2: Convert to fraction form
    163,292.36/225,366.71 = 91,677.22/x
  3. Step 3: Cross multiply
    163,292.36x = 225,366.71 × 91,677.22
  4. Step 4: Simplify right side
    163,292.36x = 20,660,992,431.54
  5. Step 5: Solve for x
    x = 20,660,992,431.54/163,292.36
  6. Step 6: Final answer
    x = 126,527.62

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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.