Home / 208,555.20-312,833.44-50,783.68

Finding the Fourth Proportional to 208,555.20, 312,833.44 and 50,783.68

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Solution

The fourth proportional to 208,555.20, 312,833.44 and 50,783.68 is: 76,175.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,555.20 : 312,833.44 = 50,783.68 : x
  2. Step 2: Convert to fraction form
    208,555.20/312,833.44 = 50,783.68/x
  3. Step 3: Cross multiply
    208,555.20x = 312,833.44 × 50,783.68
  4. Step 4: Simplify right side
    208,555.20x = 15,886,833,310.26
  5. Step 5: Solve for x
    x = 15,886,833,310.26/208,555.20
  6. Step 6: Final answer
    x = 76,175.68

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1.5x scale

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.