Home / 193,990.26-291,056.46-81,698.74

Finding the Fourth Proportional to 193,990.26, 291,056.46 and 81,698.74

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Solution

The fourth proportional to 193,990.26, 291,056.46 and 81,698.74 is: 122,578.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,990.26 : 291,056.46 = 81,698.74 : x
  2. Step 2: Convert to fraction form
    193,990.26/291,056.46 = 81,698.74/x
  3. Step 3: Cross multiply
    193,990.26x = 291,056.46 × 81,698.74
  4. Step 4: Simplify right side
    193,990.26x = 23,778,946,050.86
  5. Step 5: Solve for x
    x = 23,778,946,050.86/193,990.26
  6. Step 6: Final answer
    x = 122,578.04

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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.