Home / 263,971.40-395,957.10-164,438.60

Finding the Fourth Proportional to 263,971.40, 395,957.10 and 164,438.60

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Solution

The fourth proportional to 263,971.40, 395,957.10 and 164,438.60 is: 246,657.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,971.40 : 395,957.10 = 164,438.60 : x
  2. Step 2: Convert to fraction form
    263,971.40/395,957.10 = 164,438.60/x
  3. Step 3: Cross multiply
    263,971.40x = 395,957.10 × 164,438.60
  4. Step 4: Simplify right side
    263,971.40x = 65,110,631,184.06
  5. Step 5: Solve for x
    x = 65,110,631,184.06/263,971.40
  6. Step 6: Final answer
    x = 246,657.90

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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.