Home / 217,087.51-299,416.20-190,183.36

Finding the Fourth Proportional to 217,087.51, 299,416.20 and 190,183.36

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Solution

The fourth proportional to 217,087.51, 299,416.20 and 190,183.36 is: 262,308.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,087.51 : 299,416.20 = 190,183.36 : x
  2. Step 2: Convert to fraction form
    217,087.51/299,416.20 = 190,183.36/x
  3. Step 3: Cross multiply
    217,087.51x = 299,416.20 × 190,183.36
  4. Step 4: Simplify right side
    217,087.51x = 56,943,978,954.43
  5. Step 5: Solve for x
    x = 56,943,978,954.43/217,087.51
  6. Step 6: Final answer
    x = 262,308.87

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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.