Home / 132,592.56-182,979.76-72,165.60

Finding the Fourth Proportional to 132,592.56, 182,979.76 and 72,165.60

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Solution

The fourth proportional to 132,592.56, 182,979.76 and 72,165.60 is: 99,589.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,592.56 : 182,979.76 = 72,165.60 : x
  2. Step 2: Convert to fraction form
    132,592.56/182,979.76 = 72,165.60/x
  3. Step 3: Cross multiply
    132,592.56x = 182,979.76 × 72,165.60
  4. Step 4: Simplify right side
    132,592.56x = 13,204,844,168.26
  5. Step 5: Solve for x
    x = 13,204,844,168.26/132,592.56
  6. Step 6: Final answer
    x = 99,589.63

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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.