Home / 331,810.37-497,400.23-211,529.69

Finding the Fourth Proportional to 331,810.37, 497,400.23 and 211,529.69

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Solution

The fourth proportional to 331,810.37, 497,400.23 and 211,529.69 is: 317,093.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,810.37 : 497,400.23 = 211,529.69 : x
  2. Step 2: Convert to fraction form
    331,810.37/497,400.23 = 211,529.69/x
  3. Step 3: Cross multiply
    331,810.37x = 497,400.23 × 211,529.69
  4. Step 4: Simplify right side
    331,810.37x = 105,214,912,913.18
  5. Step 5: Solve for x
    x = 105,214,912,913.18/331,810.37
  6. Step 6: Final answer
    x = 317,093.51

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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.