Home / 226,849.40-340,403.70-86,708.60

Finding the Fourth Proportional to 226,849.40, 340,403.70 and 86,708.60

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Solution

The fourth proportional to 226,849.40, 340,403.70 and 86,708.60 is: 130,112.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,849.40 : 340,403.70 = 86,708.60 : x
  2. Step 2: Convert to fraction form
    226,849.40/340,403.70 = 86,708.60/x
  3. Step 3: Cross multiply
    226,849.40x = 340,403.70 × 86,708.60
  4. Step 4: Simplify right side
    226,849.40x = 29,515,928,261.82
  5. Step 5: Solve for x
    x = 29,515,928,261.82/226,849.40
  6. Step 6: Final answer
    x = 130,112.44

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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.