Home / 219,801.62-303,339.03-123,004.66

Finding the Fourth Proportional to 219,801.62, 303,339.03 and 123,004.66

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Solution

The fourth proportional to 219,801.62, 303,339.03 and 123,004.66 is: 169,753.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,801.62 : 303,339.03 = 123,004.66 : x
  2. Step 2: Convert to fraction form
    219,801.62/303,339.03 = 123,004.66/x
  3. Step 3: Cross multiply
    219,801.62x = 303,339.03 × 123,004.66
  4. Step 4: Simplify right side
    219,801.62x = 37,312,114,249.88
  5. Step 5: Solve for x
    x = 37,312,114,249.88/219,801.62
  6. Step 6: Final answer
    x = 169,753.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.