Home / 141,298.55-194,980.68-80,855.34

Finding the Fourth Proportional to 141,298.55, 194,980.68 and 80,855.34

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Solution

The fourth proportional to 141,298.55, 194,980.68 and 80,855.34 is: 111,573.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,298.55 : 194,980.68 = 80,855.34 : x
  2. Step 2: Convert to fraction form
    141,298.55/194,980.68 = 80,855.34/x
  3. Step 3: Cross multiply
    141,298.55x = 194,980.68 × 80,855.34
  4. Step 4: Simplify right side
    141,298.55x = 15,765,228,443.65
  5. Step 5: Solve for x
    x = 15,765,228,443.65/141,298.55
  6. Step 6: Final answer
    x = 111,573.89

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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.