Home / 236,223.70-325,990.18-128,795.52

Finding the Fourth Proportional to 236,223.70, 325,990.18 and 128,795.52

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Solution

The fourth proportional to 236,223.70, 325,990.18 and 128,795.52 is: 177,738.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,223.70 : 325,990.18 = 128,795.52 : x
  2. Step 2: Convert to fraction form
    236,223.70/325,990.18 = 128,795.52/x
  3. Step 3: Cross multiply
    236,223.70x = 325,990.18 × 128,795.52
  4. Step 4: Simplify right side
    236,223.70x = 41,986,074,747.99
  5. Step 5: Solve for x
    x = 41,986,074,747.99/236,223.70
  6. Step 6: Final answer
    x = 177,738.62

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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.