Home / 248,719.29-373,132.25-80,249.25

Finding the Fourth Proportional to 248,719.29, 373,132.25 and 80,249.25

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Solution

The fourth proportional to 248,719.29, 373,132.25 and 80,249.25 is: 120,391.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,719.29 : 373,132.25 = 80,249.25 : x
  2. Step 2: Convert to fraction form
    248,719.29/373,132.25 = 80,249.25/x
  3. Step 3: Cross multiply
    248,719.29x = 373,132.25 × 80,249.25
  4. Step 4: Simplify right side
    248,719.29x = 29,943,582,812.07
  5. Step 5: Solve for x
    x = 29,943,582,812.07/248,719.29
  6. Step 6: Final answer
    x = 120,391.08

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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.