Home / 344,019.36-516,225.60-133,629.96

Finding the Fourth Proportional to 344,019.36, 516,225.60 and 133,629.96

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Solution

The fourth proportional to 344,019.36, 516,225.60 and 133,629.96 is: 200,521.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,019.36 : 516,225.60 = 133,629.96 : x
  2. Step 2: Convert to fraction form
    344,019.36/516,225.60 = 133,629.96/x
  3. Step 3: Cross multiply
    344,019.36x = 516,225.60 × 133,629.96
  4. Step 4: Simplify right side
    344,019.36x = 68,983,206,278.98
  5. Step 5: Solve for x
    x = 68,983,206,278.98/344,019.36
  6. Step 6: Final answer
    x = 200,521.29

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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.