Home / 165,527.15-248,290.92-76,768.97

Finding the Fourth Proportional to 165,527.15, 248,290.92 and 76,768.97

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Solution

The fourth proportional to 165,527.15, 248,290.92 and 76,768.97 is: 115,153.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,527.15 : 248,290.92 = 76,768.97 : x
  2. Step 2: Convert to fraction form
    165,527.15/248,290.92 = 76,768.97/x
  3. Step 3: Cross multiply
    165,527.15x = 248,290.92 × 76,768.97
  4. Step 4: Simplify right side
    165,527.15x = 19,061,036,947.30
  5. Step 5: Solve for x
    x = 19,061,036,947.30/165,527.15
  6. Step 6: Final answer
    x = 115,153.54

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1.5x scale

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.