Home / 168,370.20-252,590.40-56,085.30

Finding the Fourth Proportional to 168,370.20, 252,590.40 and 56,085.30

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Solution

The fourth proportional to 168,370.20, 252,590.40 and 56,085.30 is: 84,139.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,370.20 : 252,590.40 = 56,085.30 : x
  2. Step 2: Convert to fraction form
    168,370.20/252,590.40 = 56,085.30/x
  3. Step 3: Cross multiply
    168,370.20x = 252,590.40 × 56,085.30
  4. Step 4: Simplify right side
    168,370.20x = 14,166,608,361.12
  5. Step 5: Solve for x
    x = 14,166,608,361.12/168,370.20
  6. Step 6: Final answer
    x = 84,139.64

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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.