Home / 110,456.20-165,732.90-51,261.40

Finding the Fourth Proportional to 110,456.20, 165,732.90 and 51,261.40

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Solution

The fourth proportional to 110,456.20, 165,732.90 and 51,261.40 is: 76,914.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,456.20 : 165,732.90 = 51,261.40 : x
  2. Step 2: Convert to fraction form
    110,456.20/165,732.90 = 51,261.40/x
  3. Step 3: Cross multiply
    110,456.20x = 165,732.90 × 51,261.40
  4. Step 4: Simplify right side
    110,456.20x = 8,495,700,480.06
  5. Step 5: Solve for x
    x = 8,495,700,480.06/110,456.20
  6. Step 6: Final answer
    x = 76,914.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.