Home / 141,295.08-194,975.91-80,851.86

Finding the Fourth Proportional to 141,295.08, 194,975.91 and 80,851.86

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Solution

The fourth proportional to 141,295.08, 194,975.91 and 80,851.86 is: 111,569.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,295.08 : 194,975.91 = 80,851.86 : x
  2. Step 2: Convert to fraction form
    141,295.08/194,975.91 = 80,851.86/x
  3. Step 3: Cross multiply
    141,295.08x = 194,975.91 × 80,851.86
  4. Step 4: Simplify right side
    141,295.08x = 15,764,164,978.69
  5. Step 5: Solve for x
    x = 15,764,164,978.69/141,295.08
  6. Step 6: Final answer
    x = 111,569.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.