Home / 219,384.94-328,828.64-100,811.27

Finding the Fourth Proportional to 219,384.94, 328,828.64 and 100,811.27

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Solution

The fourth proportional to 219,384.94, 328,828.64 and 100,811.27 is: 151,102.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,384.94 : 328,828.64 = 100,811.27 : x
  2. Step 2: Convert to fraction form
    219,384.94/328,828.64 = 100,811.27/x
  3. Step 3: Cross multiply
    219,384.94x = 328,828.64 × 100,811.27
  4. Step 4: Simplify right side
    219,384.94x = 33,149,630,662.57
  5. Step 5: Solve for x
    x = 33,149,630,662.57/219,384.94
  6. Step 6: Final answer
    x = 151,102.58

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1.5x scale

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.