Home / 236,135.23-325,863.75-128,704.93

Finding the Fourth Proportional to 236,135.23, 325,863.75 and 128,704.93

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Solution

The fourth proportional to 236,135.23, 325,863.75 and 128,704.93 is: 177,611.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,135.23 : 325,863.75 = 128,704.93 : x
  2. Step 2: Convert to fraction form
    236,135.23/325,863.75 = 128,704.93/x
  3. Step 3: Cross multiply
    236,135.23x = 325,863.75 × 128,704.93
  4. Step 4: Simplify right side
    236,135.23x = 41,940,271,133.29
  5. Step 5: Solve for x
    x = 41,940,271,133.29/236,135.23
  6. Step 6: Final answer
    x = 177,611.24

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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.