Home / 119,107.06-164,355.65-71,359.18

Finding the Fourth Proportional to 119,107.06, 164,355.65 and 71,359.18

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Solution

The fourth proportional to 119,107.06, 164,355.65 and 71,359.18 is: 98,468.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,107.06 : 164,355.65 = 71,359.18 : x
  2. Step 2: Convert to fraction form
    119,107.06/164,355.65 = 71,359.18/x
  3. Step 3: Cross multiply
    119,107.06x = 164,355.65 × 71,359.18
  4. Step 4: Simplify right side
    119,107.06x = 11,728,283,912.28
  5. Step 5: Solve for x
    x = 11,728,283,912.28/119,107.06
  6. Step 6: Final answer
    x = 98,468.42

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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.