Home / 165,410.84-248,016.38-74,209.59

Finding the Fourth Proportional to 165,410.84, 248,016.38 and 74,209.59

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Solution

The fourth proportional to 165,410.84, 248,016.38 and 74,209.59 is: 111,269.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,410.84 : 248,016.38 = 74,209.59 : x
  2. Step 2: Convert to fraction form
    165,410.84/248,016.38 = 74,209.59/x
  3. Step 3: Cross multiply
    165,410.84x = 248,016.38 × 74,209.59
  4. Step 4: Simplify right side
    165,410.84x = 18,405,193,502.04
  5. Step 5: Solve for x
    x = 18,405,193,502.04/165,410.84
  6. Step 6: Final answer
    x = 111,269.58

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1.5x scale

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.