Home / 225,651.42-311,219.57-191,772.05

Finding the Fourth Proportional to 225,651.42, 311,219.57 and 191,772.05

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Solution

The fourth proportional to 225,651.42, 311,219.57 and 191,772.05 is: 264,492.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,651.42 : 311,219.57 = 191,772.05 : x
  2. Step 2: Convert to fraction form
    225,651.42/311,219.57 = 191,772.05/x
  3. Step 3: Cross multiply
    225,651.42x = 311,219.57 × 191,772.05
  4. Step 4: Simplify right side
    225,651.42x = 59,683,213,862.35
  5. Step 5: Solve for x
    x = 59,683,213,862.35/225,651.42
  6. Step 6: Final answer
    x = 264,492.97

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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.