Home / 123,273.96-170,117.98-66,685.33

Finding the Fourth Proportional to 123,273.96, 170,117.98 and 66,685.33

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Solution

The fourth proportional to 123,273.96, 170,117.98 and 66,685.33 is: 92,025.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,273.96 : 170,117.98 = 66,685.33 : x
  2. Step 2: Convert to fraction form
    123,273.96/170,117.98 = 66,685.33/x
  3. Step 3: Cross multiply
    123,273.96x = 170,117.98 × 66,685.33
  4. Step 4: Simplify right side
    123,273.96x = 11,344,373,635.23
  5. Step 5: Solve for x
    x = 11,344,373,635.23/123,273.96
  6. Step 6: Final answer
    x = 92,025.71

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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.