Home / 161,735.94-223,197.09-89,141.48

Finding the Fourth Proportional to 161,735.94, 223,197.09 and 89,141.48

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Solution

The fourth proportional to 161,735.94, 223,197.09 and 89,141.48 is: 123,016.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,735.94 : 223,197.09 = 89,141.48 : x
  2. Step 2: Convert to fraction form
    161,735.94/223,197.09 = 89,141.48/x
  3. Step 3: Cross multiply
    161,735.94x = 223,197.09 × 89,141.48
  4. Step 4: Simplify right side
    161,735.94x = 19,896,118,321.02
  5. Step 5: Solve for x
    x = 19,896,118,321.02/161,735.94
  6. Step 6: Final answer
    x = 123,016.06

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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.