Home / 165,965.95-248,948.54-71,134.64

Finding the Fourth Proportional to 165,965.95, 248,948.54 and 71,134.64

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Solution

The fourth proportional to 165,965.95, 248,948.54 and 71,134.64 is: 106,701.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,965.95 : 248,948.54 = 71,134.64 : x
  2. Step 2: Convert to fraction form
    165,965.95/248,948.54 = 71,134.64/x
  3. Step 3: Cross multiply
    165,965.95x = 248,948.54 × 71,134.64
  4. Step 4: Simplify right side
    165,965.95x = 17,708,863,793.38
  5. Step 5: Solve for x
    x = 17,708,863,793.38/165,965.95
  6. Step 6: Final answer
    x = 106,701.79

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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.