Home / 204,912.32-307,368.48-55,152.96

Finding the Fourth Proportional to 204,912.32, 307,368.48 and 55,152.96

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Solution

The fourth proportional to 204,912.32, 307,368.48 and 55,152.96 is: 82,729.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,912.32 : 307,368.48 = 55,152.96 : x
  2. Step 2: Convert to fraction form
    204,912.32/307,368.48 = 55,152.96/x
  3. Step 3: Cross multiply
    204,912.32x = 307,368.48 × 55,152.96
  4. Step 4: Simplify right side
    204,912.32x = 16,952,281,482.70
  5. Step 5: Solve for x
    x = 16,952,281,482.70/204,912.32
  6. Step 6: Final answer
    x = 82,729.44

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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.