Home / 165,742.40-248,613.60-119,086.40

Finding the Fourth Proportional to 165,742.40, 248,613.60 and 119,086.40

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Solution

The fourth proportional to 165,742.40, 248,613.60 and 119,086.40 is: 178,629.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,742.40 : 248,613.60 = 119,086.40 : x
  2. Step 2: Convert to fraction form
    165,742.40/248,613.60 = 119,086.40/x
  3. Step 3: Cross multiply
    165,742.40x = 248,613.60 × 119,086.40
  4. Step 4: Simplify right side
    165,742.40x = 29,606,498,615.04
  5. Step 5: Solve for x
    x = 29,606,498,615.04/165,742.40
  6. Step 6: Final answer
    x = 178,629.60

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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.