Home / 220,163.46-303,918.58-148,640.36

Finding the Fourth Proportional to 220,163.46, 303,918.58 and 148,640.36

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Solution

The fourth proportional to 220,163.46, 303,918.58 and 148,640.36 is: 205,186.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,163.46 : 303,918.58 = 148,640.36 : x
  2. Step 2: Convert to fraction form
    220,163.46/303,918.58 = 148,640.36/x
  3. Step 3: Cross multiply
    220,163.46x = 303,918.58 × 148,640.36
  4. Step 4: Simplify right side
    220,163.46x = 45,174,567,141.89
  5. Step 5: Solve for x
    x = 45,174,567,141.89/220,163.46
  6. Step 6: Final answer
    x = 205,186.49

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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.