Home / 123,393.24-170,273.34-69,670.80

Finding the Fourth Proportional to 123,393.24, 170,273.34 and 69,670.80

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Solution

The fourth proportional to 123,393.24, 170,273.34 and 69,670.80 is: 96,140.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,393.24 : 170,273.34 = 69,670.80 : x
  2. Step 2: Convert to fraction form
    123,393.24/170,273.34 = 69,670.80/x
  3. Step 3: Cross multiply
    123,393.24x = 170,273.34 × 69,670.80
  4. Step 4: Simplify right side
    123,393.24x = 11,863,079,816.47
  5. Step 5: Solve for x
    x = 11,863,079,816.47/123,393.24
  6. Step 6: Final answer
    x = 96,140.44

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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.