Home / 355,839.18-533,674.90-131,077.54

Finding the Fourth Proportional to 355,839.18, 533,674.90 and 131,077.54

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Solution

The fourth proportional to 355,839.18, 533,674.90 and 131,077.54 is: 196,585.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,839.18 : 533,674.90 = 131,077.54 : x
  2. Step 2: Convert to fraction form
    355,839.18/533,674.90 = 131,077.54/x
  3. Step 3: Cross multiply
    355,839.18x = 533,674.90 × 131,077.54
  4. Step 4: Simplify right side
    355,839.18x = 69,952,793,051.75
  5. Step 5: Solve for x
    x = 69,952,793,051.75/355,839.18
  6. Step 6: Final answer
    x = 196,585.42

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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.