Home / 203,911.95-281,394.57-113,263.84

Finding the Fourth Proportional to 203,911.95, 281,394.57 and 113,263.84

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Solution

The fourth proportional to 203,911.95, 281,394.57 and 113,263.84 is: 156,301.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,911.95 : 281,394.57 = 113,263.84 : x
  2. Step 2: Convert to fraction form
    203,911.95/281,394.57 = 113,263.84/x
  3. Step 3: Cross multiply
    203,911.95x = 281,394.57 × 113,263.84
  4. Step 4: Simplify right side
    203,911.95x = 31,871,829,553.35
  5. Step 5: Solve for x
    x = 31,871,829,553.35/203,911.95
  6. Step 6: Final answer
    x = 156,301.92

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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.