Home / 163,181.64-244,784.16-68,316.36

Finding the Fourth Proportional to 163,181.64, 244,784.16 and 68,316.36

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Solution

The fourth proportional to 163,181.64, 244,784.16 and 68,316.36 is: 102,479.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,181.64 : 244,784.16 = 68,316.36 : x
  2. Step 2: Convert to fraction form
    163,181.64/244,784.16 = 68,316.36/x
  3. Step 3: Cross multiply
    163,181.64x = 244,784.16 × 68,316.36
  4. Step 4: Simplify right side
    163,181.64x = 16,722,762,796.86
  5. Step 5: Solve for x
    x = 16,722,762,796.86/163,181.64
  6. Step 6: Final answer
    x = 102,479.44

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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.