Home / 163,228.03-225,276.66-91,611.97

Finding the Fourth Proportional to 163,228.03, 225,276.66 and 91,611.97

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Solution

The fourth proportional to 163,228.03, 225,276.66 and 91,611.97 is: 126,436.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,228.03 : 225,276.66 = 91,611.97 : x
  2. Step 2: Convert to fraction form
    163,228.03/225,276.66 = 91,611.97/x
  3. Step 3: Cross multiply
    163,228.03x = 225,276.66 × 91,611.97
  4. Step 4: Simplify right side
    163,228.03x = 20,638,038,054.43
  5. Step 5: Solve for x
    x = 20,638,038,054.43/163,228.03
  6. Step 6: Final answer
    x = 126,436.85

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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.