Home / 116,906.90-161,293.28-71,537.58

Finding the Fourth Proportional to 116,906.90, 161,293.28 and 71,537.58

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Solution

The fourth proportional to 116,906.90, 161,293.28 and 71,537.58 is: 98,698.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,906.90 : 161,293.28 = 71,537.58 : x
  2. Step 2: Convert to fraction form
    116,906.90/161,293.28 = 71,537.58/x
  3. Step 3: Cross multiply
    116,906.90x = 161,293.28 × 71,537.58
  4. Step 4: Simplify right side
    116,906.90x = 11,538,530,563.77
  5. Step 5: Solve for x
    x = 11,538,530,563.77/116,906.90
  6. Step 6: Final answer
    x = 98,698.46

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1.5x scale

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.