Home / 268,358.86-370,370.26-173,142.54

Finding the Fourth Proportional to 268,358.86, 370,370.26 and 173,142.54

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Solution

The fourth proportional to 268,358.86, 370,370.26 and 173,142.54 is: 238,959.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,358.86 : 370,370.26 = 173,142.54 : x
  2. Step 2: Convert to fraction form
    268,358.86/370,370.26 = 173,142.54/x
  3. Step 3: Cross multiply
    268,358.86x = 370,370.26 × 173,142.54
  4. Step 4: Simplify right side
    268,358.86x = 64,126,847,556.86
  5. Step 5: Solve for x
    x = 64,126,847,556.86/268,358.86
  6. Step 6: Final answer
    x = 238,959.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.