Home / 281,147.49-421,729.29-110,362.10

Finding the Fourth Proportional to 281,147.49, 421,729.29 and 110,362.10

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Solution

The fourth proportional to 281,147.49, 421,729.29 and 110,362.10 is: 165,546.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,147.49 : 421,729.29 = 110,362.10 : x
  2. Step 2: Convert to fraction form
    281,147.49/421,729.29 = 110,362.10/x
  3. Step 3: Cross multiply
    281,147.49x = 421,729.29 × 110,362.10
  4. Step 4: Simplify right side
    281,147.49x = 46,542,927,967.26
  5. Step 5: Solve for x
    x = 46,542,927,967.26/281,147.49
  6. Step 6: Final answer
    x = 165,546.30

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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.