Home / 165,965.69-248,948.16-71,134.39

Finding the Fourth Proportional to 165,965.69, 248,948.16 and 71,134.39

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Solution

The fourth proportional to 165,965.69, 248,948.16 and 71,134.39 is: 106,701.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,965.69 : 248,948.16 = 71,134.39 : x
  2. Step 2: Convert to fraction form
    165,965.69/248,948.16 = 71,134.39/x
  3. Step 3: Cross multiply
    165,965.69x = 248,948.16 × 71,134.39
  4. Step 4: Simplify right side
    165,965.69x = 17,708,774,969.77
  5. Step 5: Solve for x
    x = 17,708,774,969.77/165,965.69
  6. Step 6: Final answer
    x = 106,701.42

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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.