Home / 165,346.20-248,121.36-76,583.16

Finding the Fourth Proportional to 165,346.20, 248,121.36 and 76,583.16

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Solution

The fourth proportional to 165,346.20, 248,121.36 and 76,583.16 is: 114,922.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,346.20 : 248,121.36 = 76,583.16 : x
  2. Step 2: Convert to fraction form
    165,346.20/248,121.36 = 76,583.16/x
  3. Step 3: Cross multiply
    165,346.20x = 248,121.36 × 76,583.16
  4. Step 4: Simplify right side
    165,346.20x = 19,001,917,812.30
  5. Step 5: Solve for x
    x = 19,001,917,812.30/165,346.20
  6. Step 6: Final answer
    x = 114,922.01

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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.