Home / 130,739.54-196,120.98-50,775.59

Finding the Fourth Proportional to 130,739.54, 196,120.98 and 50,775.59

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Solution

The fourth proportional to 130,739.54, 196,120.98 and 50,775.59 is: 76,167.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,739.54 : 196,120.98 = 50,775.59 : x
  2. Step 2: Convert to fraction form
    130,739.54/196,120.98 = 50,775.59/x
  3. Step 3: Cross multiply
    130,739.54x = 196,120.98 × 50,775.59
  4. Step 4: Simplify right side
    130,739.54x = 9,958,158,961.18
  5. Step 5: Solve for x
    x = 9,958,158,961.18/130,739.54
  6. Step 6: Final answer
    x = 76,167.92

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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.