Home / 272,815.94-376,504.91-165,390.50

Finding the Fourth Proportional to 272,815.94, 376,504.91 and 165,390.50

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Solution

The fourth proportional to 272,815.94, 376,504.91 and 165,390.50 is: 228,250.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,815.94 : 376,504.91 = 165,390.50 : x
  2. Step 2: Convert to fraction form
    272,815.94/376,504.91 = 165,390.50/x
  3. Step 3: Cross multiply
    272,815.94x = 376,504.91 × 165,390.50
  4. Step 4: Simplify right side
    272,815.94x = 62,270,335,317.36
  5. Step 5: Solve for x
    x = 62,270,335,317.36/272,815.94
  6. Step 6: Final answer
    x = 228,250.36

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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.