Home / 141,068.51-194,674.56-80,640.48

Finding the Fourth Proportional to 141,068.51, 194,674.56 and 80,640.48

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Solution

The fourth proportional to 141,068.51, 194,674.56 and 80,640.48 is: 111,283.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,068.51 : 194,674.56 = 80,640.48 : x
  2. Step 2: Convert to fraction form
    141,068.51/194,674.56 = 80,640.48/x
  3. Step 3: Cross multiply
    141,068.51x = 194,674.56 × 80,640.48
  4. Step 4: Simplify right side
    141,068.51x = 15,698,649,962.19
  5. Step 5: Solve for x
    x = 15,698,649,962.19/141,068.51
  6. Step 6: Final answer
    x = 111,283.88

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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.