Home / 248,943.20-373,371.60-91,090.40

Finding the Fourth Proportional to 248,943.20, 373,371.60 and 91,090.40

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Solution

The fourth proportional to 248,943.20, 373,371.60 and 91,090.40 is: 136,619.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,943.20 : 373,371.60 = 91,090.40 : x
  2. Step 2: Convert to fraction form
    248,943.20/373,371.60 = 91,090.40/x
  3. Step 3: Cross multiply
    248,943.20x = 373,371.60 × 91,090.40
  4. Step 4: Simplify right side
    248,943.20x = 34,010,568,392.64
  5. Step 5: Solve for x
    x = 34,010,568,392.64/248,943.20
  6. Step 6: Final answer
    x = 136,619.79

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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.