Home / 119,770.92-165,261.06-82,031.40

Finding the Fourth Proportional to 119,770.92, 165,261.06 and 82,031.40

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Solution

The fourth proportional to 119,770.92, 165,261.06 and 82,031.40 is: 113,187.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,770.92 : 165,261.06 = 82,031.40 : x
  2. Step 2: Convert to fraction form
    119,770.92/165,261.06 = 82,031.40/x
  3. Step 3: Cross multiply
    119,770.92x = 165,261.06 × 82,031.40
  4. Step 4: Simplify right side
    119,770.92x = 13,556,596,117.28
  5. Step 5: Solve for x
    x = 13,556,596,117.28/119,770.92
  6. Step 6: Final answer
    x = 113,187.71

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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.