Home / 151,286.18-226,964.81-84,772.22

Finding the Fourth Proportional to 151,286.18, 226,964.81 and 84,772.22

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Solution

The fourth proportional to 151,286.18, 226,964.81 and 84,772.22 is: 127,178.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,286.18 : 226,964.81 = 84,772.22 : x
  2. Step 2: Convert to fraction form
    151,286.18/226,964.81 = 84,772.22/x
  3. Step 3: Cross multiply
    151,286.18x = 226,964.81 × 84,772.22
  4. Step 4: Simplify right side
    151,286.18x = 19,240,310,920.94
  5. Step 5: Solve for x
    x = 19,240,310,920.94/151,286.18
  6. Step 6: Final answer
    x = 127,178.24

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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.