Home / 369,826.69-554,408.34-133,003.75

Finding the Fourth Proportional to 369,826.69, 554,408.34 and 133,003.75

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Solution

The fourth proportional to 369,826.69, 554,408.34 and 133,003.75 is: 199,386.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,826.69 : 554,408.34 = 133,003.75 : x
  2. Step 2: Convert to fraction form
    369,826.69/554,408.34 = 133,003.75/x
  3. Step 3: Cross multiply
    369,826.69x = 554,408.34 × 133,003.75
  4. Step 4: Simplify right side
    369,826.69x = 73,738,388,251.28
  5. Step 5: Solve for x
    x = 73,738,388,251.28/369,826.69
  6. Step 6: Final answer
    x = 199,386.33

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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.