Home / 383,165.19-528,767.97-213,399.30

Finding the Fourth Proportional to 383,165.19, 528,767.97 and 213,399.30

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Solution

The fourth proportional to 383,165.19, 528,767.97 and 213,399.30 is: 294,491.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,165.19 : 528,767.97 = 213,399.30 : x
  2. Step 2: Convert to fraction form
    383,165.19/528,767.97 = 213,399.30/x
  3. Step 3: Cross multiply
    383,165.19x = 528,767.97 × 213,399.30
  4. Step 4: Simplify right side
    383,165.19x = 112,838,714,660.42
  5. Step 5: Solve for x
    x = 112,838,714,660.42/383,165.19
  6. Step 6: Final answer
    x = 294,491.04

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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.