Home / 225,719.48-338,735.02-77,975.48

Finding the Fourth Proportional to 225,719.48, 338,735.02 and 77,975.48

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Solution

The fourth proportional to 225,719.48, 338,735.02 and 77,975.48 is: 117,017.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,719.48 : 338,735.02 = 77,975.48 : x
  2. Step 2: Convert to fraction form
    225,719.48/338,735.02 = 77,975.48/x
  3. Step 3: Cross multiply
    225,719.48x = 338,735.02 × 77,975.48
  4. Step 4: Simplify right side
    225,719.48x = 26,413,025,777.31
  5. Step 5: Solve for x
    x = 26,413,025,777.31/225,719.48
  6. Step 6: Final answer
    x = 117,017.04

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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.