Home / 165,634.11-248,319.54-72,074.25

Finding the Fourth Proportional to 165,634.11, 248,319.54 and 72,074.25

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Solution

The fourth proportional to 165,634.11, 248,319.54 and 72,074.25 is: 108,054.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,634.11 : 248,319.54 = 72,074.25 : x
  2. Step 2: Convert to fraction form
    165,634.11/248,319.54 = 72,074.25/x
  3. Step 3: Cross multiply
    165,634.11x = 248,319.54 × 72,074.25
  4. Step 4: Simplify right side
    165,634.11x = 17,897,444,605.85
  5. Step 5: Solve for x
    x = 17,897,444,605.85/165,634.11
  6. Step 6: Final answer
    x = 108,054.10

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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.