Home / 141,170.07-194,791.73-80,730.98

Finding the Fourth Proportional to 141,170.07, 194,791.73 and 80,730.98

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Solution

The fourth proportional to 141,170.07, 194,791.73 and 80,730.98 is: 111,395.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,170.07 : 194,791.73 = 80,730.98 : x
  2. Step 2: Convert to fraction form
    141,170.07/194,791.73 = 80,730.98/x
  3. Step 3: Cross multiply
    141,170.07x = 194,791.73 × 80,730.98
  4. Step 4: Simplify right side
    141,170.07x = 15,725,725,881.18
  5. Step 5: Solve for x
    x = 15,725,725,881.18/141,170.07
  6. Step 6: Final answer
    x = 111,395.61

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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.