Home / 107,079.27-160,485.62-69,028.20

Finding the Fourth Proportional to 107,079.27, 160,485.62 and 69,028.20

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Solution

The fourth proportional to 107,079.27, 160,485.62 and 69,028.20 is: 103,456.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,079.27 : 160,485.62 = 69,028.20 : x
  2. Step 2: Convert to fraction form
    107,079.27/160,485.62 = 69,028.20/x
  3. Step 3: Cross multiply
    107,079.27x = 160,485.62 × 69,028.20
  4. Step 4: Simplify right side
    107,079.27x = 11,078,033,474.48
  5. Step 5: Solve for x
    x = 11,078,033,474.48/107,079.27
  6. Step 6: Final answer
    x = 103,456.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.