Home / 132,210.43-182,449.35-71,779.86

Finding the Fourth Proportional to 132,210.43, 182,449.35 and 71,779.86

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Solution

The fourth proportional to 132,210.43, 182,449.35 and 71,779.86 is: 99,055.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,210.43 : 182,449.35 = 71,779.86 : x
  2. Step 2: Convert to fraction form
    132,210.43/182,449.35 = 71,779.86/x
  3. Step 3: Cross multiply
    132,210.43x = 182,449.35 × 71,779.86
  4. Step 4: Simplify right side
    132,210.43x = 13,096,188,800.09
  5. Step 5: Solve for x
    x = 13,096,188,800.09/132,210.43
  6. Step 6: Final answer
    x = 99,055.64

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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.