Home / 168,538.20-252,842.40-56,253.30

Finding the Fourth Proportional to 168,538.20, 252,842.40 and 56,253.30

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Solution

The fourth proportional to 168,538.20, 252,842.40 and 56,253.30 is: 84,391.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,538.20 : 252,842.40 = 56,253.30 : x
  2. Step 2: Convert to fraction form
    168,538.20/252,842.40 = 56,253.30/x
  3. Step 3: Cross multiply
    168,538.20x = 252,842.40 × 56,253.30
  4. Step 4: Simplify right side
    168,538.20x = 14,223,219,379.92
  5. Step 5: Solve for x
    x = 14,223,219,379.92/168,538.20
  6. Step 6: Final answer
    x = 84,391.67

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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.