Home / 154,378.14-231,410.04-70,198.08

Finding the Fourth Proportional to 154,378.14, 231,410.04 and 70,198.08

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Solution

The fourth proportional to 154,378.14, 231,410.04 and 70,198.08 is: 105,225.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,378.14 : 231,410.04 = 70,198.08 : x
  2. Step 2: Convert to fraction form
    154,378.14/231,410.04 = 70,198.08/x
  3. Step 3: Cross multiply
    154,378.14x = 231,410.04 × 70,198.08
  4. Step 4: Simplify right side
    154,378.14x = 16,244,540,500.72
  5. Step 5: Solve for x
    x = 16,244,540,500.72/154,378.14
  6. Step 6: Final answer
    x = 105,225.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.