Home / 130,789.83-196,141.53-50,822.19

Finding the Fourth Proportional to 130,789.83, 196,141.53 and 50,822.19

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Solution

The fourth proportional to 130,789.83, 196,141.53 and 50,822.19 is: 76,216.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,789.83 : 196,141.53 = 50,822.19 : x
  2. Step 2: Convert to fraction form
    130,789.83/196,141.53 = 50,822.19/x
  3. Step 3: Cross multiply
    130,789.83x = 196,141.53 × 50,822.19
  4. Step 4: Simplify right side
    130,789.83x = 9,968,342,104.55
  5. Step 5: Solve for x
    x = 9,968,342,104.55/130,789.83
  6. Step 6: Final answer
    x = 76,216.49

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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.