Home / 147,771.81-203,910.37-83,239.25

Finding the Fourth Proportional to 147,771.81, 203,910.37 and 83,239.25

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Solution

The fourth proportional to 147,771.81, 203,910.37 and 83,239.25 is: 114,861.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,771.81 : 203,910.37 = 83,239.25 : x
  2. Step 2: Convert to fraction form
    147,771.81/203,910.37 = 83,239.25/x
  3. Step 3: Cross multiply
    147,771.81x = 203,910.37 × 83,239.25
  4. Step 4: Simplify right side
    147,771.81x = 16,973,345,038.37
  5. Step 5: Solve for x
    x = 16,973,345,038.37/147,771.81
  6. Step 6: Final answer
    x = 114,861.86

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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.