Home / 268,840.55-370,997.14-147,979.24

Finding the Fourth Proportional to 268,840.55, 370,997.14 and 147,979.24

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Solution

The fourth proportional to 268,840.55, 370,997.14 and 147,979.24 is: 204,209.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,840.55 : 370,997.14 = 147,979.24 : x
  2. Step 2: Convert to fraction form
    268,840.55/370,997.14 = 147,979.24/x
  3. Step 3: Cross multiply
    268,840.55x = 370,997.14 × 147,979.24
  4. Step 4: Simplify right side
    268,840.55x = 54,899,873,521.93
  5. Step 5: Solve for x
    x = 54,899,873,521.93/268,840.55
  6. Step 6: Final answer
    x = 204,209.80

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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.