Home / 132,155.21-182,374.37-71,725.86

Finding the Fourth Proportional to 132,155.21, 182,374.37 and 71,725.86

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Solution

The fourth proportional to 132,155.21, 182,374.37 and 71,725.86 is: 98,981.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,155.21 : 182,374.37 = 71,725.86 : x
  2. Step 2: Convert to fraction form
    132,155.21/182,374.37 = 71,725.86/x
  3. Step 3: Cross multiply
    132,155.21x = 182,374.37 × 71,725.86
  4. Step 4: Simplify right side
    132,155.21x = 13,080,957,618.34
  5. Step 5: Solve for x
    x = 13,080,957,618.34/132,155.21
  6. Step 6: Final answer
    x = 98,981.78

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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.