Home / 197,238.64-272,191-182,170.16

Finding the Fourth Proportional to 197,238.64, 272,191 and 182,170.16

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Solution

The fourth proportional to 197,238.64, 272,191 and 182,170.16 is: 251,396.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,238.64 : 272,191 = 182,170.16 : x
  2. Step 2: Convert to fraction form
    197,238.64/272,191 = 182,170.16/x
  3. Step 3: Cross multiply
    197,238.64x = 272,191 × 182,170.16
  4. Step 4: Simplify right side
    197,238.64x = 49,585,078,020.56
  5. Step 5: Solve for x
    x = 49,585,078,020.56/197,238.64
  6. Step 6: Final answer
    x = 251,396.37

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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.