Home / 208,184.12-312,229.45-95,756.34

Finding the Fourth Proportional to 208,184.12, 312,229.45 and 95,756.34

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Solution

The fourth proportional to 208,184.12, 312,229.45 and 95,756.34 is: 143,613.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,184.12 : 312,229.45 = 95,756.34 : x
  2. Step 2: Convert to fraction form
    208,184.12/312,229.45 = 95,756.34/x
  3. Step 3: Cross multiply
    208,184.12x = 312,229.45 × 95,756.34
  4. Step 4: Simplify right side
    208,184.12x = 29,897,949,132.82
  5. Step 5: Solve for x
    x = 29,897,949,132.82/208,184.12
  6. Step 6: Final answer
    x = 143,613.02

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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.