Home / 219,037.70-328,556.55-190,169.30

Finding the Fourth Proportional to 219,037.70, 328,556.55 and 190,169.30

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Solution

The fourth proportional to 219,037.70, 328,556.55 and 190,169.30 is: 285,253.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,037.70 : 328,556.55 = 190,169.30 : x
  2. Step 2: Convert to fraction form
    219,037.70/328,556.55 = 190,169.30/x
  3. Step 3: Cross multiply
    219,037.70x = 328,556.55 × 190,169.30
  4. Step 4: Simplify right side
    219,037.70x = 62,481,369,123.92
  5. Step 5: Solve for x
    x = 62,481,369,123.92/219,037.70
  6. Step 6: Final answer
    x = 285,253.95

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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.