Home / 140,988.74-194,412.45-107,059.46

Finding the Fourth Proportional to 140,988.74, 194,412.45 and 107,059.46

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Solution

The fourth proportional to 140,988.74, 194,412.45 and 107,059.46 is: 147,626.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,988.74 : 194,412.45 = 107,059.46 : x
  2. Step 2: Convert to fraction form
    140,988.74/194,412.45 = 107,059.46/x
  3. Step 3: Cross multiply
    140,988.74x = 194,412.45 × 107,059.46
  4. Step 4: Simplify right side
    140,988.74x = 20,813,691,914.28
  5. Step 5: Solve for x
    x = 20,813,691,914.28/140,988.74
  6. Step 6: Final answer
    x = 147,626.63

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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.