Home / 646,131.18-969,196.54-172,804.26

Finding the Fourth Proportional to 646,131.18, 969,196.54 and 172,804.26

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Solution

The fourth proportional to 646,131.18, 969,196.54 and 172,804.26 is: 259,206.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,131.18 : 969,196.54 = 172,804.26 : x
  2. Step 2: Convert to fraction form
    646,131.18/969,196.54 = 172,804.26/x
  3. Step 3: Cross multiply
    646,131.18x = 969,196.54 × 172,804.26
  4. Step 4: Simplify right side
    646,131.18x = 167,481,290,889.26
  5. Step 5: Solve for x
    x = 167,481,290,889.26/646,131.18
  6. Step 6: Final answer
    x = 259,206.33

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Similar ratio
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1.5x scale

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.