Home / 140,282.30-193,589.57-76,620.25

Finding the Fourth Proportional to 140,282.30, 193,589.57 and 76,620.25

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Solution

The fourth proportional to 140,282.30, 193,589.57 and 76,620.25 is: 105,735.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,282.30 : 193,589.57 = 76,620.25 : x
  2. Step 2: Convert to fraction form
    140,282.30/193,589.57 = 76,620.25/x
  3. Step 3: Cross multiply
    140,282.30x = 193,589.57 × 76,620.25
  4. Step 4: Simplify right side
    140,282.30x = 14,832,880,958.37
  5. Step 5: Solve for x
    x = 14,832,880,958.37/140,282.30
  6. Step 6: Final answer
    x = 105,735.94

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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.