Home / 328,921.48-453,932.88-185,629.24

Finding the Fourth Proportional to 328,921.48, 453,932.88 and 185,629.24

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Solution

The fourth proportional to 328,921.48, 453,932.88 and 185,629.24 is: 256,180.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,921.48 : 453,932.88 = 185,629.24 : x
  2. Step 2: Convert to fraction form
    328,921.48/453,932.88 = 185,629.24/x
  3. Step 3: Cross multiply
    328,921.48x = 453,932.88 × 185,629.24
  4. Step 4: Simplify right side
    328,921.48x = 84,263,215,525.41
  5. Step 5: Solve for x
    x = 84,263,215,525.41/328,921.48
  6. Step 6: Final answer
    x = 256,180.34

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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.