Home / 661,446.54-992,336.25-188,131.98

Finding the Fourth Proportional to 661,446.54, 992,336.25 and 188,131.98

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Solution

The fourth proportional to 661,446.54, 992,336.25 and 188,131.98 is: 282,245.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,446.54 : 992,336.25 = 188,131.98 : x
  2. Step 2: Convert to fraction form
    661,446.54/992,336.25 = 188,131.98/x
  3. Step 3: Cross multiply
    661,446.54x = 992,336.25 × 188,131.98
  4. Step 4: Simplify right side
    661,446.54x = 186,690,183,538.28
  5. Step 5: Solve for x
    x = 186,690,183,538.28/661,446.54
  6. Step 6: Final answer
    x = 282,245.31

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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.