Home / 236,040.26-325,731.45-128,611.18

Finding the Fourth Proportional to 236,040.26, 325,731.45 and 128,611.18

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Solution

The fourth proportional to 236,040.26, 325,731.45 and 128,611.18 is: 177,481.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,040.26 : 325,731.45 = 128,611.18 : x
  2. Step 2: Convert to fraction form
    236,040.26/325,731.45 = 128,611.18/x
  3. Step 3: Cross multiply
    236,040.26x = 325,731.45 × 128,611.18
  4. Step 4: Simplify right side
    236,040.26x = 41,892,704,518.95
  5. Step 5: Solve for x
    x = 41,892,704,518.95/236,040.26
  6. Step 6: Final answer
    x = 177,481.18

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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.