Home / 366,631.32-505,899.90-205,473.72

Finding the Fourth Proportional to 366,631.32, 505,899.90 and 205,473.72

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Solution

The fourth proportional to 366,631.32, 505,899.90 and 205,473.72 is: 283,524.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,631.32 : 505,899.90 = 205,473.72 : x
  2. Step 2: Convert to fraction form
    366,631.32/505,899.90 = 205,473.72/x
  3. Step 3: Cross multiply
    366,631.32x = 505,899.90 × 205,473.72
  4. Step 4: Simplify right side
    366,631.32x = 103,949,134,400.63
  5. Step 5: Solve for x
    x = 103,949,134,400.63/366,631.32
  6. Step 6: Final answer
    x = 283,524.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.