Home / 132,090.62-182,285.04-74,728.79

Finding the Fourth Proportional to 132,090.62, 182,285.04 and 74,728.79

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Solution

The fourth proportional to 132,090.62, 182,285.04 and 74,728.79 is: 103,125.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,090.62 : 182,285.04 = 74,728.79 : x
  2. Step 2: Convert to fraction form
    132,090.62/182,285.04 = 74,728.79/x
  3. Step 3: Cross multiply
    132,090.62x = 182,285.04 × 74,728.79
  4. Step 4: Simplify right side
    132,090.62x = 13,621,940,526.68
  5. Step 5: Solve for x
    x = 13,621,940,526.68/132,090.62
  6. Step 6: Final answer
    x = 103,125.73

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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.