Home / 132,531.22-182,968.50-87,340.51

Finding the Fourth Proportional to 132,531.22, 182,968.50 and 87,340.51

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Solution

The fourth proportional to 132,531.22, 182,968.50 and 87,340.51 is: 120,579.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,531.22 : 182,968.50 = 87,340.51 : x
  2. Step 2: Convert to fraction form
    132,531.22/182,968.50 = 87,340.51/x
  3. Step 3: Cross multiply
    132,531.22x = 182,968.50 × 87,340.51
  4. Step 4: Simplify right side
    132,531.22x = 15,980,562,103.94
  5. Step 5: Solve for x
    x = 15,980,562,103.94/132,531.22
  6. Step 6: Final answer
    x = 120,579.60

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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.