Home / 236,231.46-325,993.53-128,803.59

Finding the Fourth Proportional to 236,231.46, 325,993.53 and 128,803.59

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Solution

The fourth proportional to 236,231.46, 325,993.53 and 128,803.59 is: 177,745.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,231.46 : 325,993.53 = 128,803.59 : x
  2. Step 2: Convert to fraction form
    236,231.46/325,993.53 = 128,803.59/x
  3. Step 3: Cross multiply
    236,231.46x = 325,993.53 × 128,803.59
  4. Step 4: Simplify right side
    236,231.46x = 41,989,136,980.77
  5. Step 5: Solve for x
    x = 41,989,136,980.77/236,231.46
  6. Step 6: Final answer
    x = 177,745.75

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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.