Home / 208,196.11-312,247.45-95,768.36

Finding the Fourth Proportional to 208,196.11, 312,247.45 and 95,768.36

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Solution

The fourth proportional to 208,196.11, 312,247.45 and 95,768.36 is: 143,631.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,196.11 : 312,247.45 = 95,768.36 : x
  2. Step 2: Convert to fraction form
    208,196.11/312,247.45 = 95,768.36/x
  3. Step 3: Cross multiply
    208,196.11x = 312,247.45 × 95,768.36
  4. Step 4: Simplify right side
    208,196.11x = 29,903,426,200.68
  5. Step 5: Solve for x
    x = 29,903,426,200.68/208,196.11
  6. Step 6: Final answer
    x = 143,631.05

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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.