Home / 165,623.64-248,439.56-60,442.60

Finding the Fourth Proportional to 165,623.64, 248,439.56 and 60,442.60

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Solution

The fourth proportional to 165,623.64, 248,439.56 and 60,442.60 is: 90,665.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,623.64 : 248,439.56 = 60,442.60 : x
  2. Step 2: Convert to fraction form
    165,623.64/248,439.56 = 60,442.60/x
  3. Step 3: Cross multiply
    165,623.64x = 248,439.56 × 60,442.60
  4. Step 4: Simplify right side
    165,623.64x = 15,016,332,949.26
  5. Step 5: Solve for x
    x = 15,016,332,949.26/165,623.64
  6. Step 6: Final answer
    x = 90,665.40

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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.