Home / 275,688.20-413,532.30-117,932.60

Finding the Fourth Proportional to 275,688.20, 413,532.30 and 117,932.60

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Solution

The fourth proportional to 275,688.20, 413,532.30 and 117,932.60 is: 176,898.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,688.20 : 413,532.30 = 117,932.60 : x
  2. Step 2: Convert to fraction form
    275,688.20/413,532.30 = 117,932.60/x
  3. Step 3: Cross multiply
    275,688.20x = 413,532.30 × 117,932.60
  4. Step 4: Simplify right side
    275,688.20x = 48,768,939,322.98
  5. Step 5: Solve for x
    x = 48,768,939,322.98/275,688.20
  6. Step 6: Final answer
    x = 176,898.90

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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.