Home / 165,506.33-248,065.08-76,571.97

Finding the Fourth Proportional to 165,506.33, 248,065.08 and 76,571.97

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Solution

The fourth proportional to 165,506.33, 248,065.08 and 76,571.97 is: 114,768.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,506.33 : 248,065.08 = 76,571.97 : x
  2. Step 2: Convert to fraction form
    165,506.33/248,065.08 = 76,571.97/x
  3. Step 3: Cross multiply
    165,506.33x = 248,065.08 × 76,571.97
  4. Step 4: Simplify right side
    165,506.33x = 18,994,831,863.81
  5. Step 5: Solve for x
    x = 18,994,831,863.81/165,506.33
  6. Step 6: Final answer
    x = 114,768.01

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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.