Home / 165,499.26-248,148.81-74,298.12

Finding the Fourth Proportional to 165,499.26, 248,148.81 and 74,298.12

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Solution

The fourth proportional to 165,499.26, 248,148.81 and 74,298.12 is: 111,402.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,499.26 : 248,148.81 = 74,298.12 : x
  2. Step 2: Convert to fraction form
    165,499.26/248,148.81 = 74,298.12/x
  3. Step 3: Cross multiply
    165,499.26x = 248,148.81 × 74,298.12
  4. Step 4: Simplify right side
    165,499.26x = 18,436,990,063.24
  5. Step 5: Solve for x
    x = 18,436,990,063.24/165,499.26
  6. Step 6: Final answer
    x = 111,402.25

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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.