Home / 119,771.22-165,253.86-87,884.76

Finding the Fourth Proportional to 119,771.22, 165,253.86 and 87,884.76

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Solution

The fourth proportional to 119,771.22, 165,253.86 and 87,884.76 is: 121,258.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,771.22 : 165,253.86 = 87,884.76 : x
  2. Step 2: Convert to fraction form
    119,771.22/165,253.86 = 87,884.76/x
  3. Step 3: Cross multiply
    119,771.22x = 165,253.86 × 87,884.76
  4. Step 4: Simplify right side
    119,771.22x = 14,523,295,825.17
  5. Step 5: Solve for x
    x = 14,523,295,825.17/119,771.22
  6. Step 6: Final answer
    x = 121,258.64

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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.