Home / 119,185.24-164,428.60-76,768.36

Finding the Fourth Proportional to 119,185.24, 164,428.60 and 76,768.36

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Solution

The fourth proportional to 119,185.24, 164,428.60 and 76,768.36 is: 105,910.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,185.24 : 164,428.60 = 76,768.36 : x
  2. Step 2: Convert to fraction form
    119,185.24/164,428.60 = 76,768.36/x
  3. Step 3: Cross multiply
    119,185.24x = 164,428.60 × 76,768.36
  4. Step 4: Simplify right side
    119,185.24x = 12,622,913,959.10
  5. Step 5: Solve for x
    x = 12,622,913,959.10/119,185.24
  6. Step 6: Final answer
    x = 105,910.04

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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.