Home / 141,298.64-194,980.82-80,855.43

Finding the Fourth Proportional to 141,298.64, 194,980.82 and 80,855.43

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Solution

The fourth proportional to 141,298.64, 194,980.82 and 80,855.43 is: 111,574.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,298.64 : 194,980.82 = 80,855.43 : x
  2. Step 2: Convert to fraction form
    141,298.64/194,980.82 = 80,855.43/x
  3. Step 3: Cross multiply
    141,298.64x = 194,980.82 × 80,855.43
  4. Step 4: Simplify right side
    141,298.64x = 15,765,257,638.58
  5. Step 5: Solve for x
    x = 15,765,257,638.58/141,298.64
  6. Step 6: Final answer
    x = 111,574.02

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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.