Home / 144,556.54-199,296.90-118,620.09

Finding the Fourth Proportional to 144,556.54, 199,296.90 and 118,620.09

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Solution

The fourth proportional to 144,556.54, 199,296.90 and 118,620.09 is: 163,538.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,556.54 : 199,296.90 = 118,620.09 : x
  2. Step 2: Convert to fraction form
    144,556.54/199,296.90 = 118,620.09/x
  3. Step 3: Cross multiply
    144,556.54x = 199,296.90 × 118,620.09
  4. Step 4: Simplify right side
    144,556.54x = 23,640,616,214.72
  5. Step 5: Solve for x
    x = 23,640,616,214.72/144,556.54
  6. Step 6: Final answer
    x = 163,538.89

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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.