Home / 127,926.20-176,491.50-80,181.56

Finding the Fourth Proportional to 127,926.20, 176,491.50 and 80,181.56

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Solution

The fourth proportional to 127,926.20, 176,491.50 and 80,181.56 is: 110,621.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,926.20 : 176,491.50 = 80,181.56 : x
  2. Step 2: Convert to fraction form
    127,926.20/176,491.50 = 80,181.56/x
  3. Step 3: Cross multiply
    127,926.20x = 176,491.50 × 80,181.56
  4. Step 4: Simplify right side
    127,926.20x = 14,151,363,796.74
  5. Step 5: Solve for x
    x = 14,151,363,796.74/127,926.20
  6. Step 6: Final answer
    x = 110,621.31

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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.