Home / 165,615.48-248,464.62-65,742.66

Finding the Fourth Proportional to 165,615.48, 248,464.62 and 65,742.66

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Solution

The fourth proportional to 165,615.48, 248,464.62 and 65,742.66 is: 98,630.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,615.48 : 248,464.62 = 65,742.66 : x
  2. Step 2: Convert to fraction form
    165,615.48/248,464.62 = 65,742.66/x
  3. Step 3: Cross multiply
    165,615.48x = 248,464.62 × 65,742.66
  4. Step 4: Simplify right side
    165,615.48x = 16,334,725,034.69
  5. Step 5: Solve for x
    x = 16,334,725,034.69/165,615.48
  6. Step 6: Final answer
    x = 98,630.42

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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.