Home / 251,004.69-376,511.54-91,194.12

Finding the Fourth Proportional to 251,004.69, 376,511.54 and 91,194.12

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Solution

The fourth proportional to 251,004.69, 376,511.54 and 91,194.12 is: 136,792.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,004.69 : 376,511.54 = 91,194.12 : x
  2. Step 2: Convert to fraction form
    251,004.69/376,511.54 = 91,194.12/x
  3. Step 3: Cross multiply
    251,004.69x = 376,511.54 × 91,194.12
  4. Step 4: Simplify right side
    251,004.69x = 34,335,638,104.17
  5. Step 5: Solve for x
    x = 34,335,638,104.17/251,004.69
  6. Step 6: Final answer
    x = 136,792.81

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1.5x scale

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.