Home / 140,626.10-194,054.28-80,199.30

Finding the Fourth Proportional to 140,626.10, 194,054.28 and 80,199.30

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Solution

The fourth proportional to 140,626.10, 194,054.28 and 80,199.30 is: 110,669.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,626.10 : 194,054.28 = 80,199.30 : x
  2. Step 2: Convert to fraction form
    140,626.10/194,054.28 = 80,199.30/x
  3. Step 3: Cross multiply
    140,626.10x = 194,054.28 × 80,199.30
  4. Step 4: Simplify right side
    140,626.10x = 15,563,017,418.00
  5. Step 5: Solve for x
    x = 15,563,017,418.00/140,626.10
  6. Step 6: Final answer
    x = 110,669.48

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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.