Home / 165,784.96-248,455.04-90,792.32

Finding the Fourth Proportional to 165,784.96, 248,455.04 and 90,792.32

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Solution

The fourth proportional to 165,784.96, 248,455.04 and 90,792.32 is: 136,066.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,784.96 : 248,455.04 = 90,792.32 : x
  2. Step 2: Convert to fraction form
    165,784.96/248,455.04 = 90,792.32/x
  3. Step 3: Cross multiply
    165,784.96x = 248,455.04 × 90,792.32
  4. Step 4: Simplify right side
    165,784.96x = 22,557,809,497.29
  5. Step 5: Solve for x
    x = 22,557,809,497.29/165,784.96
  6. Step 6: Final answer
    x = 136,066.68

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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.