Home / 219,037.80-328,556.70-189,513.30

Finding the Fourth Proportional to 219,037.80, 328,556.70 and 189,513.30

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Solution

The fourth proportional to 219,037.80, 328,556.70 and 189,513.30 is: 284,269.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,037.80 : 328,556.70 = 189,513.30 : x
  2. Step 2: Convert to fraction form
    219,037.80/328,556.70 = 189,513.30/x
  3. Step 3: Cross multiply
    219,037.80x = 328,556.70 × 189,513.30
  4. Step 4: Simplify right side
    219,037.80x = 62,265,864,454.11
  5. Step 5: Solve for x
    x = 62,265,864,454.11/219,037.80
  6. Step 6: Final answer
    x = 284,269.95

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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.