Home / 141,068.01-194,673.86-80,639.97

Finding the Fourth Proportional to 141,068.01, 194,673.86 and 80,639.97

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Solution

The fourth proportional to 141,068.01, 194,673.86 and 80,639.97 is: 111,283.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,068.01 : 194,673.86 = 80,639.97 : x
  2. Step 2: Convert to fraction form
    141,068.01/194,673.86 = 80,639.97/x
  3. Step 3: Cross multiply
    141,068.01x = 194,673.86 × 80,639.97
  4. Step 4: Simplify right side
    141,068.01x = 15,698,494,230.18
  5. Step 5: Solve for x
    x = 15,698,494,230.18/141,068.01
  6. Step 6: Final answer
    x = 111,283.16

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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.