Home / 217,090.16-325,241.55-212,366.24

Finding the Fourth Proportional to 217,090.16, 325,241.55 and 212,366.24

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Solution

The fourth proportional to 217,090.16, 325,241.55 and 212,366.24 is: 318,164.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,090.16 : 325,241.55 = 212,366.24 : x
  2. Step 2: Convert to fraction form
    217,090.16/325,241.55 = 212,366.24/x
  3. Step 3: Cross multiply
    217,090.16x = 325,241.55 × 212,366.24
  4. Step 4: Simplify right side
    217,090.16x = 69,070,325,065.27
  5. Step 5: Solve for x
    x = 69,070,325,065.27/217,090.16
  6. Step 6: Final answer
    x = 318,164.24

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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.