Home / 165,629.12-248,235.42-89,724.74

Finding the Fourth Proportional to 165,629.12, 248,235.42 and 89,724.74

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Solution

The fourth proportional to 165,629.12, 248,235.42 and 89,724.74 is: 134,474.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,629.12 : 248,235.42 = 89,724.74 : x
  2. Step 2: Convert to fraction form
    165,629.12/248,235.42 = 89,724.74/x
  3. Step 3: Cross multiply
    165,629.12x = 248,235.42 × 89,724.74
  4. Step 4: Simplify right side
    165,629.12x = 22,272,858,518.29
  5. Step 5: Solve for x
    x = 22,272,858,518.29/165,629.12
  6. Step 6: Final answer
    x = 134,474.29

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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.