Home / 118,609.23-163,684.82-64,894.25

Finding the Fourth Proportional to 118,609.23, 163,684.82 and 64,894.25

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Solution

The fourth proportional to 118,609.23, 163,684.82 and 64,894.25 is: 89,556.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,609.23 : 163,684.82 = 64,894.25 : x
  2. Step 2: Convert to fraction form
    118,609.23/163,684.82 = 64,894.25/x
  3. Step 3: Cross multiply
    118,609.23x = 163,684.82 × 64,894.25
  4. Step 4: Simplify right side
    118,609.23x = 10,622,202,974.10
  5. Step 5: Solve for x
    x = 10,622,202,974.10/118,609.23
  6. Step 6: Final answer
    x = 89,556.29

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1.5x scale

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.