Home / 190,271.80-285,201.69-123,759.46

Finding the Fourth Proportional to 190,271.80, 285,201.69 and 123,759.46

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Solution

The fourth proportional to 190,271.80, 285,201.69 and 123,759.46 is: 185,505.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,271.80 : 285,201.69 = 123,759.46 : x
  2. Step 2: Convert to fraction form
    190,271.80/285,201.69 = 123,759.46/x
  3. Step 3: Cross multiply
    190,271.80x = 285,201.69 × 123,759.46
  4. Step 4: Simplify right side
    190,271.80x = 35,296,407,145.49
  5. Step 5: Solve for x
    x = 35,296,407,145.49/190,271.80
  6. Step 6: Final answer
    x = 185,505.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.