Home / 328,913.46-453,921.84-185,621.22

Finding the Fourth Proportional to 328,913.46, 453,921.84 and 185,621.22

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Solution

The fourth proportional to 328,913.46, 453,921.84 and 185,621.22 is: 256,169.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,913.46 : 453,921.84 = 185,621.22 : x
  2. Step 2: Convert to fraction form
    328,913.46/453,921.84 = 185,621.22/x
  3. Step 3: Cross multiply
    328,913.46x = 453,921.84 × 185,621.22
  4. Step 4: Simplify right side
    328,913.46x = 84,257,525,725.44
  5. Step 5: Solve for x
    x = 84,257,525,725.44/328,913.46
  6. Step 6: Final answer
    x = 256,169.28

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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.