Home / 132,090.71-182,285.16-75,503.30

Finding the Fourth Proportional to 132,090.71, 182,285.16 and 75,503.30

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Solution

The fourth proportional to 132,090.71, 182,285.16 and 75,503.30 is: 104,194.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,090.71 : 182,285.16 = 75,503.30 : x
  2. Step 2: Convert to fraction form
    132,090.71/182,285.16 = 75,503.30/x
  3. Step 3: Cross multiply
    132,090.71x = 182,285.16 × 75,503.30
  4. Step 4: Simplify right side
    132,090.71x = 13,763,131,121.03
  5. Step 5: Solve for x
    x = 13,763,131,121.03/132,090.71
  6. Step 6: Final answer
    x = 104,194.54

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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.