Home / 281,829.48-388,912.44-168,714.60

Finding the Fourth Proportional to 281,829.48, 388,912.44 and 168,714.60

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Solution

The fourth proportional to 281,829.48, 388,912.44 and 168,714.60 is: 232,818.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,829.48 : 388,912.44 = 168,714.60 : x
  2. Step 2: Convert to fraction form
    281,829.48/388,912.44 = 168,714.60/x
  3. Step 3: Cross multiply
    281,829.48x = 388,912.44 × 168,714.60
  4. Step 4: Simplify right side
    281,829.48x = 65,615,206,749.62
  5. Step 5: Solve for x
    x = 65,615,206,749.62/281,829.48
  6. Step 6: Final answer
    x = 232,818.82

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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.