Home / 208,177.38-312,274.70-60,433.38

Finding the Fourth Proportional to 208,177.38, 312,274.70 and 60,433.38

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Solution

The fourth proportional to 208,177.38, 312,274.70 and 60,433.38 is: 90,652.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,177.38 : 312,274.70 = 60,433.38 : x
  2. Step 2: Convert to fraction form
    208,177.38/312,274.70 = 60,433.38/x
  3. Step 3: Cross multiply
    208,177.38x = 312,274.70 × 60,433.38
  4. Step 4: Simplify right side
    208,177.38x = 18,871,815,609.49
  5. Step 5: Solve for x
    x = 18,871,815,609.49/208,177.38
  6. Step 6: Final answer
    x = 90,652.58

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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.