Home / 196,289.45-294,435.65-107,494.52

Finding the Fourth Proportional to 196,289.45, 294,435.65 and 107,494.52

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Solution

The fourth proportional to 196,289.45, 294,435.65 and 107,494.52 is: 161,242.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,289.45 : 294,435.65 = 107,494.52 : x
  2. Step 2: Convert to fraction form
    196,289.45/294,435.65 = 107,494.52/x
  3. Step 3: Cross multiply
    196,289.45x = 294,435.65 × 107,494.52
  4. Step 4: Simplify right side
    196,289.45x = 31,650,218,189.97
  5. Step 5: Solve for x
    x = 31,650,218,189.97/196,289.45
  6. Step 6: Final answer
    x = 161,242.58

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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.