Home / 236,040.27-325,726.43-128,611.10

Finding the Fourth Proportional to 236,040.27, 325,726.43 and 128,611.10

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Solution

The fourth proportional to 236,040.27, 325,726.43 and 128,611.10 is: 177,478.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,040.27 : 325,726.43 = 128,611.10 : x
  2. Step 2: Convert to fraction form
    236,040.27/325,726.43 = 128,611.10/x
  3. Step 3: Cross multiply
    236,040.27x = 325,726.43 × 128,611.10
  4. Step 4: Simplify right side
    236,040.27x = 41,892,034,632.63
  5. Step 5: Solve for x
    x = 41,892,034,632.63/236,040.27
  6. Step 6: Final answer
    x = 177,478.34

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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.