Home / 127,329.12-175,793.76-82,029.60

Finding the Fourth Proportional to 127,329.12, 175,793.76 and 82,029.60

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Solution

The fourth proportional to 127,329.12, 175,793.76 and 82,029.60 is: 113,252.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,329.12 : 175,793.76 = 82,029.60 : x
  2. Step 2: Convert to fraction form
    127,329.12/175,793.76 = 82,029.60/x
  3. Step 3: Cross multiply
    127,329.12x = 175,793.76 × 82,029.60
  4. Step 4: Simplify right side
    127,329.12x = 14,420,291,815.30
  5. Step 5: Solve for x
    x = 14,420,291,815.30/127,329.12
  6. Step 6: Final answer
    x = 113,252.11

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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.