Home / 118,556.26-163,605.58-64,840.10

Finding the Fourth Proportional to 118,556.26, 163,605.58 and 64,840.10

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Solution

The fourth proportional to 118,556.26, 163,605.58 and 64,840.10 is: 89,478.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,556.26 : 163,605.58 = 64,840.10 : x
  2. Step 2: Convert to fraction form
    118,556.26/163,605.58 = 64,840.10/x
  3. Step 3: Cross multiply
    118,556.26x = 163,605.58 × 64,840.10
  4. Step 4: Simplify right side
    118,556.26x = 10,608,202,044.30
  5. Step 5: Solve for x
    x = 10,608,202,044.30/118,556.26
  6. Step 6: Final answer
    x = 89,478.21

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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.