Home / 119,770.22-165,252.48-87,883.76

Finding the Fourth Proportional to 119,770.22, 165,252.48 and 87,883.76

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Solution

The fourth proportional to 119,770.22, 165,252.48 and 87,883.76 is: 121,257.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,770.22 : 165,252.48 = 87,883.76 : x
  2. Step 2: Convert to fraction form
    119,770.22/165,252.48 = 87,883.76/x
  3. Step 3: Cross multiply
    119,770.22x = 165,252.48 × 87,883.76
  4. Step 4: Simplify right side
    119,770.22x = 14,523,009,291.72
  5. Step 5: Solve for x
    x = 14,523,009,291.72/119,770.22
  6. Step 6: Final answer
    x = 121,257.26

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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.