Home / 236,134.65-325,864.58-128,704.35

Finding the Fourth Proportional to 236,134.65, 325,864.58 and 128,704.35

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Solution

The fourth proportional to 236,134.65, 325,864.58 and 128,704.35 is: 177,611.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,134.65 : 325,864.58 = 128,704.35 : x
  2. Step 2: Convert to fraction form
    236,134.65/325,864.58 = 128,704.35/x
  3. Step 3: Cross multiply
    236,134.65x = 325,864.58 × 128,704.35
  4. Step 4: Simplify right side
    236,134.65x = 41,940,188,313.40
  5. Step 5: Solve for x
    x = 41,940,188,313.40/236,134.65
  6. Step 6: Final answer
    x = 177,611.33

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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.