Home / 127,826.94-176,414.30-76,856.28

Finding the Fourth Proportional to 127,826.94, 176,414.30 and 76,856.28

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Solution

The fourth proportional to 127,826.94, 176,414.30 and 76,856.28 is: 106,069.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,826.94 : 176,414.30 = 76,856.28 : x
  2. Step 2: Convert to fraction form
    127,826.94/176,414.30 = 76,856.28/x
  3. Step 3: Cross multiply
    127,826.94x = 176,414.30 × 76,856.28
  4. Step 4: Simplify right side
    127,826.94x = 13,558,546,511.50
  5. Step 5: Solve for x
    x = 13,558,546,511.50/127,826.94
  6. Step 6: Final answer
    x = 106,069.55

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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.