Home / 116,772.72-161,158.26-71,480.63

Finding the Fourth Proportional to 116,772.72, 161,158.26 and 71,480.63

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Solution

The fourth proportional to 116,772.72, 161,158.26 and 71,480.63 is: 98,650.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,772.72 : 161,158.26 = 71,480.63 : x
  2. Step 2: Convert to fraction form
    116,772.72/161,158.26 = 71,480.63/x
  3. Step 3: Cross multiply
    116,772.72x = 161,158.26 × 71,480.63
  4. Step 4: Simplify right side
    116,772.72x = 11,519,694,357.40
  5. Step 5: Solve for x
    x = 11,519,694,357.40/116,772.72
  6. Step 6: Final answer
    x = 98,650.56

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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.