Home / 335,983.26-503,984.60-86,665.26

Finding the Fourth Proportional to 335,983.26, 503,984.60 and 86,665.26

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Solution

The fourth proportional to 335,983.26, 503,984.60 and 86,665.26 is: 130,000.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,983.26 : 503,984.60 = 86,665.26 : x
  2. Step 2: Convert to fraction form
    335,983.26/503,984.60 = 86,665.26/x
  3. Step 3: Cross multiply
    335,983.26x = 503,984.60 × 86,665.26
  4. Step 4: Simplify right side
    335,983.26x = 43,677,956,395.00
  5. Step 5: Solve for x
    x = 43,677,956,395.00/335,983.26
  6. Step 6: Final answer
    x = 130,000.39

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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.