Home / 147,173.52-203,093.82-83,507.52

Finding the Fourth Proportional to 147,173.52, 203,093.82 and 83,507.52

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Solution

The fourth proportional to 147,173.52, 203,093.82 and 83,507.52 is: 115,237.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,173.52 : 203,093.82 = 83,507.52 : x
  2. Step 2: Convert to fraction form
    147,173.52/203,093.82 = 83,507.52/x
  3. Step 3: Cross multiply
    147,173.52x = 203,093.82 × 83,507.52
  4. Step 4: Simplify right side
    147,173.52x = 16,959,861,235.53
  5. Step 5: Solve for x
    x = 16,959,861,235.53/147,173.52
  6. Step 6: Final answer
    x = 115,237.18

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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.