Home / 123,185.43-169,995.90-66,596.82

Finding the Fourth Proportional to 123,185.43, 169,995.90 and 66,596.82

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Solution

The fourth proportional to 123,185.43, 169,995.90 and 66,596.82 is: 91,903.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,185.43 : 169,995.90 = 66,596.82 : x
  2. Step 2: Convert to fraction form
    123,185.43/169,995.90 = 66,596.82/x
  3. Step 3: Cross multiply
    123,185.43x = 169,995.90 × 66,596.82
  4. Step 4: Simplify right side
    123,185.43x = 11,321,186,353.04
  5. Step 5: Solve for x
    x = 11,321,186,353.04/123,185.43
  6. Step 6: Final answer
    x = 91,903.62

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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.