Home / 208,195.95-312,247.17-95,768.19

Finding the Fourth Proportional to 208,195.95, 312,247.17 and 95,768.19

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Solution

The fourth proportional to 208,195.95, 312,247.17 and 95,768.19 is: 143,630.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,195.95 : 312,247.17 = 95,768.19 : x
  2. Step 2: Convert to fraction form
    208,195.95/312,247.17 = 95,768.19/x
  3. Step 3: Cross multiply
    208,195.95x = 312,247.17 × 95,768.19
  4. Step 4: Simplify right side
    208,195.95x = 29,903,346,303.52
  5. Step 5: Solve for x
    x = 29,903,346,303.52/208,195.95
  6. Step 6: Final answer
    x = 143,630.78

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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.