Home / 189,474.39-261,499.59-132,076.58

Finding the Fourth Proportional to 189,474.39, 261,499.59 and 132,076.58

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Solution

The fourth proportional to 189,474.39, 261,499.59 and 132,076.58 is: 182,283.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,474.39 : 261,499.59 = 132,076.58 : x
  2. Step 2: Convert to fraction form
    189,474.39/261,499.59 = 132,076.58/x
  3. Step 3: Cross multiply
    189,474.39x = 261,499.59 × 132,076.58
  4. Step 4: Simplify right side
    189,474.39x = 34,537,970,211.10
  5. Step 5: Solve for x
    x = 34,537,970,211.10/189,474.39
  6. Step 6: Final answer
    x = 182,283.05

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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.