Home / 299,479.28-413,132.24-178,535.34

Finding the Fourth Proportional to 299,479.28, 413,132.24 and 178,535.34

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Solution

The fourth proportional to 299,479.28, 413,132.24 and 178,535.34 is: 246,289.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,479.28 : 413,132.24 = 178,535.34 : x
  2. Step 2: Convert to fraction form
    299,479.28/413,132.24 = 178,535.34/x
  3. Step 3: Cross multiply
    299,479.28x = 413,132.24 × 178,535.34
  4. Step 4: Simplify right side
    299,479.28x = 73,758,704,040.68
  5. Step 5: Solve for x
    x = 73,758,704,040.68/299,479.28
  6. Step 6: Final answer
    x = 246,289.84

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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.