Home / 252,261.54-378,353.43-111,995.46

Finding the Fourth Proportional to 252,261.54, 378,353.43 and 111,995.46

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Solution

The fourth proportional to 252,261.54, 378,353.43 and 111,995.46 is: 167,975.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,261.54 : 378,353.43 = 111,995.46 : x
  2. Step 2: Convert to fraction form
    252,261.54/378,353.43 = 111,995.46/x
  3. Step 3: Cross multiply
    252,261.54x = 378,353.43 × 111,995.46
  4. Step 4: Simplify right side
    252,261.54x = 42,373,866,435.43
  5. Step 5: Solve for x
    x = 42,373,866,435.43/252,261.54
  6. Step 6: Final answer
    x = 167,975.93

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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.