Home / 165,448.02-248,071.79-74,246.70

Finding the Fourth Proportional to 165,448.02, 248,071.79 and 74,246.70

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Solution

The fourth proportional to 165,448.02, 248,071.79 and 74,246.70 is: 111,325.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,448.02 : 248,071.79 = 74,246.70 : x
  2. Step 2: Convert to fraction form
    165,448.02/248,071.79 = 74,246.70/x
  3. Step 3: Cross multiply
    165,448.02x = 248,071.79 × 74,246.70
  4. Step 4: Simplify right side
    165,448.02x = 18,418,511,399.36
  5. Step 5: Solve for x
    x = 18,418,511,399.36/165,448.02
  6. Step 6: Final answer
    x = 111,325.06

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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.