Home / 132,788.04-183,252.42-81,790.44

Finding the Fourth Proportional to 132,788.04, 183,252.42 and 81,790.44

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Solution

The fourth proportional to 132,788.04, 183,252.42 and 81,790.44 is: 112,873.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,788.04 : 183,252.42 = 81,790.44 : x
  2. Step 2: Convert to fraction form
    132,788.04/183,252.42 = 81,790.44/x
  3. Step 3: Cross multiply
    132,788.04x = 183,252.42 × 81,790.44
  4. Step 4: Simplify right side
    132,788.04x = 14,988,296,062.86
  5. Step 5: Solve for x
    x = 14,988,296,062.86/132,788.04
  6. Step 6: Final answer
    x = 112,873.84

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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.