Home / 123,917.30-171,014.33-70,202.75

Finding the Fourth Proportional to 123,917.30, 171,014.33 and 70,202.75

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Solution

The fourth proportional to 123,917.30, 171,014.33 and 70,202.75 is: 96,884.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,917.30 : 171,014.33 = 70,202.75 : x
  2. Step 2: Convert to fraction form
    123,917.30/171,014.33 = 70,202.75/x
  3. Step 3: Cross multiply
    123,917.30x = 171,014.33 × 70,202.75
  4. Step 4: Simplify right side
    123,917.30x = 12,005,675,049.32
  5. Step 5: Solve for x
    x = 12,005,675,049.32/123,917.30
  6. Step 6: Final answer
    x = 96,884.58

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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.