Home / 219,256.47-328,896.31-69,508.44

Finding the Fourth Proportional to 219,256.47, 328,896.31 and 69,508.44

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Solution

The fourth proportional to 219,256.47, 328,896.31 and 69,508.44 is: 104,266.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,256.47 : 328,896.31 = 69,508.44 : x
  2. Step 2: Convert to fraction form
    219,256.47/328,896.31 = 69,508.44/x
  3. Step 3: Cross multiply
    219,256.47x = 328,896.31 × 69,508.44
  4. Step 4: Simplify right side
    219,256.47x = 22,861,069,429.86
  5. Step 5: Solve for x
    x = 22,861,069,429.86/219,256.47
  6. Step 6: Final answer
    x = 104,266.34

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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.