Home / 134,200.36-185,191.79-73,770.56

Finding the Fourth Proportional to 134,200.36, 185,191.79 and 73,770.56

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Solution

The fourth proportional to 134,200.36, 185,191.79 and 73,770.56 is: 101,800.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,200.36 : 185,191.79 = 73,770.56 : x
  2. Step 2: Convert to fraction form
    134,200.36/185,191.79 = 73,770.56/x
  3. Step 3: Cross multiply
    134,200.36x = 185,191.79 × 73,770.56
  4. Step 4: Simplify right side
    134,200.36x = 13,661,702,912.02
  5. Step 5: Solve for x
    x = 13,661,702,912.02/134,200.36
  6. Step 6: Final answer
    x = 101,800.80

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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.