Home / 141,296.20-194,999.60-80,885.79

Finding the Fourth Proportional to 141,296.20, 194,999.60 and 80,885.79

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Solution

The fourth proportional to 141,296.20, 194,999.60 and 80,885.79 is: 111,628.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,296.20 : 194,999.60 = 80,885.79 : x
  2. Step 2: Convert to fraction form
    141,296.20/194,999.60 = 80,885.79/x
  3. Step 3: Cross multiply
    141,296.20x = 194,999.60 × 80,885.79
  4. Step 4: Simplify right side
    141,296.20x = 15,772,696,897.90
  5. Step 5: Solve for x
    x = 15,772,696,897.90/141,296.20
  6. Step 6: Final answer
    x = 111,628.60

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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.