Home / 281,033.49-421,504.06-121,066.03

Finding the Fourth Proportional to 281,033.49, 421,504.06 and 121,066.03

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Solution

The fourth proportional to 281,033.49, 421,504.06 and 121,066.03 is: 181,579.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,033.49 : 421,504.06 = 121,066.03 : x
  2. Step 2: Convert to fraction form
    281,033.49/421,504.06 = 121,066.03/x
  3. Step 3: Cross multiply
    281,033.49x = 421,504.06 × 121,066.03
  4. Step 4: Simplify right side
    281,033.49x = 51,029,823,173.08
  5. Step 5: Solve for x
    x = 51,029,823,173.08/281,033.49
  6. Step 6: Final answer
    x = 181,579.15

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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.