Home / 141,010.15-194,603.91-80,589.73

Finding the Fourth Proportional to 141,010.15, 194,603.91 and 80,589.73

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Solution

The fourth proportional to 141,010.15, 194,603.91 and 80,589.73 is: 111,219.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,010.15 : 194,603.91 = 80,589.73 : x
  2. Step 2: Convert to fraction form
    141,010.15/194,603.91 = 80,589.73/x
  3. Step 3: Cross multiply
    141,010.15x = 194,603.91 × 80,589.73
  4. Step 4: Simplify right side
    141,010.15x = 15,683,076,160.90
  5. Step 5: Solve for x
    x = 15,683,076,160.90/141,010.15
  6. Step 6: Final answer
    x = 111,219.48

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1.5x scale

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.