Home / 132,731.52-183,169.50-73,115.52

Finding the Fourth Proportional to 132,731.52, 183,169.50 and 73,115.52

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Solution

The fourth proportional to 132,731.52, 183,169.50 and 73,115.52 is: 100,899.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,731.52 : 183,169.50 = 73,115.52 : x
  2. Step 2: Convert to fraction form
    132,731.52/183,169.50 = 73,115.52/x
  3. Step 3: Cross multiply
    132,731.52x = 183,169.50 × 73,115.52
  4. Step 4: Simplify right side
    132,731.52x = 13,392,533,240.64
  5. Step 5: Solve for x
    x = 13,392,533,240.64/132,731.52
  6. Step 6: Final answer
    x = 100,899.42

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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.