Home / 147,184.55-203,116.82-82,667.76

Finding the Fourth Proportional to 147,184.55, 203,116.82 and 82,667.76

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Solution

The fourth proportional to 147,184.55, 203,116.82 and 82,667.76 is: 114,082.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,184.55 : 203,116.82 = 82,667.76 : x
  2. Step 2: Convert to fraction form
    147,184.55/203,116.82 = 82,667.76/x
  3. Step 3: Cross multiply
    147,184.55x = 203,116.82 × 82,667.76
  4. Step 4: Simplify right side
    147,184.55x = 16,791,212,114.38
  5. Step 5: Solve for x
    x = 16,791,212,114.38/147,184.55
  6. Step 6: Final answer
    x = 114,082.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.