Home / 147,824.82-203,999.16-80,756.82

Finding the Fourth Proportional to 147,824.82, 203,999.16 and 80,756.82

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Solution

The fourth proportional to 147,824.82, 203,999.16 and 80,756.82 is: 111,444.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,824.82 : 203,999.16 = 80,756.82 : x
  2. Step 2: Convert to fraction form
    147,824.82/203,999.16 = 80,756.82/x
  3. Step 3: Cross multiply
    147,824.82x = 203,999.16 × 80,756.82
  4. Step 4: Simplify right side
    147,824.82x = 16,474,323,444.27
  5. Step 5: Solve for x
    x = 16,474,323,444.27/147,824.82
  6. Step 6: Final answer
    x = 111,444.91

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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.