Home / 355,932.42-533,945.61-131,450.64

Finding the Fourth Proportional to 355,932.42, 533,945.61 and 131,450.64

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Solution

The fourth proportional to 355,932.42, 533,945.61 and 131,450.64 is: 197,193.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,932.42 : 533,945.61 = 131,450.64 : x
  2. Step 2: Convert to fraction form
    355,932.42/533,945.61 = 131,450.64/x
  3. Step 3: Cross multiply
    355,932.42x = 533,945.61 × 131,450.64
  4. Step 4: Simplify right side
    355,932.42x = 70,187,492,159.69
  5. Step 5: Solve for x
    x = 70,187,492,159.69/355,932.42
  6. Step 6: Final answer
    x = 197,193.31

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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.