Home / 165,506.70-248,065.65-76,572.36

Finding the Fourth Proportional to 165,506.70, 248,065.65 and 76,572.36

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Solution

The fourth proportional to 165,506.70, 248,065.65 and 76,572.36 is: 114,768.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,506.70 : 248,065.65 = 76,572.36 : x
  2. Step 2: Convert to fraction form
    165,506.70/248,065.65 = 76,572.36/x
  3. Step 3: Cross multiply
    165,506.70x = 248,065.65 × 76,572.36
  4. Step 4: Simplify right side
    165,506.70x = 18,994,972,255.43
  5. Step 5: Solve for x
    x = 18,994,972,255.43/165,506.70
  6. Step 6: Final answer
    x = 114,768.60

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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.