Home / 199,554.52-275,378.34-118,940.54

Finding the Fourth Proportional to 199,554.52, 275,378.34 and 118,940.54

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Solution

The fourth proportional to 199,554.52, 275,378.34 and 118,940.54 is: 164,133.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,554.52 : 275,378.34 = 118,940.54 : x
  2. Step 2: Convert to fraction form
    199,554.52/275,378.34 = 118,940.54/x
  3. Step 3: Cross multiply
    199,554.52x = 275,378.34 × 118,940.54
  4. Step 4: Simplify right side
    199,554.52x = 32,753,648,463.90
  5. Step 5: Solve for x
    x = 32,753,648,463.90/199,554.52
  6. Step 6: Final answer
    x = 164,133.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.