Home / 188,883.51-281,943.32-166,464.03

Finding the Fourth Proportional to 188,883.51, 281,943.32 and 166,464.03

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Solution

The fourth proportional to 188,883.51, 281,943.32 and 166,464.03 is: 248,478.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,883.51 : 281,943.32 = 166,464.03 : x
  2. Step 2: Convert to fraction form
    188,883.51/281,943.32 = 166,464.03/x
  3. Step 3: Cross multiply
    188,883.51x = 281,943.32 × 166,464.03
  4. Step 4: Simplify right side
    188,883.51x = 46,933,421,278.78
  5. Step 5: Solve for x
    x = 46,933,421,278.78/188,883.51
  6. Step 6: Final answer
    x = 248,478.13

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.