Home / 646,090.96-969,185.64-196,850.18

Finding the Fourth Proportional to 646,090.96, 969,185.64 and 196,850.18

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Solution

The fourth proportional to 646,090.96, 969,185.64 and 196,850.18 is: 295,290.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,090.96 : 969,185.64 = 196,850.18 : x
  2. Step 2: Convert to fraction form
    646,090.96/969,185.64 = 196,850.18/x
  3. Step 3: Cross multiply
    646,090.96x = 969,185.64 × 196,850.18
  4. Step 4: Simplify right side
    646,090.96x = 190,784,367,687.42
  5. Step 5: Solve for x
    x = 190,784,367,687.42/646,090.96
  6. Step 6: Final answer
    x = 295,290.26

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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.