Home / 165,749.64-248,698.22-86,845.41

Finding the Fourth Proportional to 165,749.64, 248,698.22 and 86,845.41

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Solution

The fourth proportional to 165,749.64, 248,698.22 and 86,845.41 is: 130,306.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,749.64 : 248,698.22 = 86,845.41 : x
  2. Step 2: Convert to fraction form
    165,749.64/248,698.22 = 86,845.41/x
  3. Step 3: Cross multiply
    165,749.64x = 248,698.22 × 86,845.41
  4. Step 4: Simplify right side
    165,749.64x = 21,598,298,882.17
  5. Step 5: Solve for x
    x = 21,598,298,882.17/165,749.64
  6. Step 6: Final answer
    x = 130,306.76

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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.