Home / 165,409.60-248,114.40-95,231.20

Finding the Fourth Proportional to 165,409.60, 248,114.40 and 95,231.20

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Solution

The fourth proportional to 165,409.60, 248,114.40 and 95,231.20 is: 142,846.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,409.60 : 248,114.40 = 95,231.20 : x
  2. Step 2: Convert to fraction form
    165,409.60/248,114.40 = 95,231.20/x
  3. Step 3: Cross multiply
    165,409.60x = 248,114.40 × 95,231.20
  4. Step 4: Simplify right side
    165,409.60x = 23,628,232,049.28
  5. Step 5: Solve for x
    x = 23,628,232,049.28/165,409.60
  6. Step 6: Final answer
    x = 142,846.80

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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.