Home / 119,735.48-165,236.11-66,022.40

Finding the Fourth Proportional to 119,735.48, 165,236.11 and 66,022.40

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Solution

The fourth proportional to 119,735.48, 165,236.11 and 66,022.40 is: 91,111.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,735.48 : 165,236.11 = 66,022.40 : x
  2. Step 2: Convert to fraction form
    119,735.48/165,236.11 = 66,022.40/x
  3. Step 3: Cross multiply
    119,735.48x = 165,236.11 × 66,022.40
  4. Step 4: Simplify right side
    119,735.48x = 10,909,283,557.63
  5. Step 5: Solve for x
    x = 10,909,283,557.63/119,735.48
  6. Step 6: Final answer
    x = 91,111.54

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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.