Home / 236,040.89-325,727.29-128,611.73

Finding the Fourth Proportional to 236,040.89, 325,727.29 and 128,611.73

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Solution

The fourth proportional to 236,040.89, 325,727.29 and 128,611.73 is: 177,479.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,040.89 : 325,727.29 = 128,611.73 : x
  2. Step 2: Convert to fraction form
    236,040.89/325,727.29 = 128,611.73/x
  3. Step 3: Cross multiply
    236,040.89x = 325,727.29 × 128,611.73
  4. Step 4: Simplify right side
    236,040.89x = 41,892,350,275.11
  5. Step 5: Solve for x
    x = 41,892,350,275.11/236,040.89
  6. Step 6: Final answer
    x = 177,479.21

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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.