Home / 165,765.20-248,064.60-151,768.40

Finding the Fourth Proportional to 165,765.20, 248,064.60 and 151,768.40

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Solution

The fourth proportional to 165,765.20, 248,064.60 and 151,768.40 is: 227,118.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,765.20 : 248,064.60 = 151,768.40 : x
  2. Step 2: Convert to fraction form
    165,765.20/248,064.60 = 151,768.40/x
  3. Step 3: Cross multiply
    165,765.20x = 248,064.60 × 151,768.40
  4. Step 4: Simplify right side
    165,765.20x = 37,648,367,438.64
  5. Step 5: Solve for x
    x = 37,648,367,438.64/165,765.20
  6. Step 6: Final answer
    x = 227,118.64

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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.