Home / 219,044.21-302,295.11-123,548.85

Finding the Fourth Proportional to 219,044.21, 302,295.11 and 123,548.85

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Solution

The fourth proportional to 219,044.21, 302,295.11 and 123,548.85 is: 170,505.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,044.21 : 302,295.11 = 123,548.85 : x
  2. Step 2: Convert to fraction form
    219,044.21/302,295.11 = 123,548.85/x
  3. Step 3: Cross multiply
    219,044.21x = 302,295.11 × 123,548.85
  4. Step 4: Simplify right side
    219,044.21x = 37,348,213,201.12
  5. Step 5: Solve for x
    x = 37,348,213,201.12/219,044.21
  6. Step 6: Final answer
    x = 170,505.37

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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.