Home / 289,556.37-433,854.18-204,896.79

Finding the Fourth Proportional to 289,556.37, 433,854.18 and 204,896.79

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Solution

The fourth proportional to 289,556.37, 433,854.18 and 204,896.79 is: 307,005.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,556.37 : 433,854.18 = 204,896.79 : x
  2. Step 2: Convert to fraction form
    289,556.37/433,854.18 = 204,896.79/x
  3. Step 3: Cross multiply
    289,556.37x = 433,854.18 × 204,896.79
  4. Step 4: Simplify right side
    289,556.37x = 88,895,328,810.08
  5. Step 5: Solve for x
    x = 88,895,328,810.08/289,556.37
  6. Step 6: Final answer
    x = 307,005.26

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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.