Home / 219,101.76-328,513.32-92,675.88

Finding the Fourth Proportional to 219,101.76, 328,513.32 and 92,675.88

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Solution

The fourth proportional to 219,101.76, 328,513.32 and 92,675.88 is: 138,954.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,101.76 : 328,513.32 = 92,675.88 : x
  2. Step 2: Convert to fraction form
    219,101.76/328,513.32 = 92,675.88/x
  3. Step 3: Cross multiply
    219,101.76x = 328,513.32 × 92,675.88
  4. Step 4: Simplify right side
    219,101.76x = 30,445,261,022.72
  5. Step 5: Solve for x
    x = 30,445,261,022.72/219,101.76
  6. Step 6: Final answer
    x = 138,954.89

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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.