Home / 219,315.83-328,924.53-100,873.37

Finding the Fourth Proportional to 219,315.83, 328,924.53 and 100,873.37

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Solution

The fourth proportional to 219,315.83, 328,924.53 and 100,873.37 is: 151,287.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,315.83 : 328,924.53 = 100,873.37 : x
  2. Step 2: Convert to fraction form
    219,315.83/328,924.53 = 100,873.37/x
  3. Step 3: Cross multiply
    219,315.83x = 328,924.53 × 100,873.37
  4. Step 4: Simplify right side
    219,315.83x = 33,179,726,639.08
  5. Step 5: Solve for x
    x = 33,179,726,639.08/219,315.83
  6. Step 6: Final answer
    x = 151,287.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.