Home / 123,173.44-169,979.28-66,584.92

Finding the Fourth Proportional to 123,173.44, 169,979.28 and 66,584.92

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Solution

The fourth proportional to 123,173.44, 169,979.28 and 66,584.92 is: 91,887.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,173.44 : 169,979.28 = 66,584.92 : x
  2. Step 2: Convert to fraction form
    123,173.44/169,979.28 = 66,584.92/x
  3. Step 3: Cross multiply
    123,173.44x = 169,979.28 × 66,584.92
  4. Step 4: Simplify right side
    123,173.44x = 11,318,056,760.46
  5. Step 5: Solve for x
    x = 11,318,056,760.46/123,173.44
  6. Step 6: Final answer
    x = 91,887.15

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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.