Home / 153,243.44-229,791.12-53,401.28

Finding the Fourth Proportional to 153,243.44, 229,791.12 and 53,401.28

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Solution

The fourth proportional to 153,243.44, 229,791.12 and 53,401.28 is: 80,076.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,243.44 : 229,791.12 = 53,401.28 : x
  2. Step 2: Convert to fraction form
    153,243.44/229,791.12 = 53,401.28/x
  3. Step 3: Cross multiply
    153,243.44x = 229,791.12 × 53,401.28
  4. Step 4: Simplify right side
    153,243.44x = 12,271,139,940.63
  5. Step 5: Solve for x
    x = 12,271,139,940.63/153,243.44
  6. Step 6: Final answer
    x = 80,076.12

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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.