Home / 165,968.96-248,953.02-71,137.64

Finding the Fourth Proportional to 165,968.96, 248,953.02 and 71,137.64

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Solution

The fourth proportional to 165,968.96, 248,953.02 and 71,137.64 is: 106,706.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,968.96 : 248,953.02 = 71,137.64 : x
  2. Step 2: Convert to fraction form
    165,968.96/248,953.02 = 71,137.64/x
  3. Step 3: Cross multiply
    165,968.96x = 248,953.02 × 71,137.64
  4. Step 4: Simplify right side
    165,968.96x = 17,709,930,313.67
  5. Step 5: Solve for x
    x = 17,709,930,313.67/165,968.96
  6. Step 6: Final answer
    x = 106,706.28

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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.