Home / 165,796.74-248,768.55-86,892.18

Finding the Fourth Proportional to 165,796.74, 248,768.55 and 86,892.18

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Solution

The fourth proportional to 165,796.74, 248,768.55 and 86,892.18 is: 130,376.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,796.74 : 248,768.55 = 86,892.18 : x
  2. Step 2: Convert to fraction form
    165,796.74/248,768.55 = 86,892.18/x
  3. Step 3: Cross multiply
    165,796.74x = 248,768.55 × 86,892.18
  4. Step 4: Simplify right side
    165,796.74x = 21,616,041,624.94
  5. Step 5: Solve for x
    x = 21,616,041,624.94/165,796.74
  6. Step 6: Final answer
    x = 130,376.76

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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.