Home / 132,587.36-182,843.36-89,078.21

Finding the Fourth Proportional to 132,587.36, 182,843.36 and 89,078.21

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Solution

The fourth proportional to 132,587.36, 182,843.36 and 89,078.21 is: 122,842.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,587.36 : 182,843.36 = 89,078.21 : x
  2. Step 2: Convert to fraction form
    132,587.36/182,843.36 = 89,078.21/x
  3. Step 3: Cross multiply
    132,587.36x = 182,843.36 × 89,078.21
  4. Step 4: Simplify right side
    132,587.36x = 16,287,359,907.78
  5. Step 5: Solve for x
    x = 16,287,359,907.78/132,587.36
  6. Step 6: Final answer
    x = 122,842.47

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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.