Home / 135,851.46-203,777.19-42,364.50

Finding the Fourth Proportional to 135,851.46, 203,777.19 and 42,364.50

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Solution

The fourth proportional to 135,851.46, 203,777.19 and 42,364.50 is: 63,546.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,851.46 : 203,777.19 = 42,364.50 : x
  2. Step 2: Convert to fraction form
    135,851.46/203,777.19 = 42,364.50/x
  3. Step 3: Cross multiply
    135,851.46x = 203,777.19 × 42,364.50
  4. Step 4: Simplify right side
    135,851.46x = 8,632,918,765.76
  5. Step 5: Solve for x
    x = 8,632,918,765.76/135,851.46
  6. Step 6: Final answer
    x = 63,546.75

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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.