Home / 127,680.44-176,230.02-73,956.76

Finding the Fourth Proportional to 127,680.44, 176,230.02 and 73,956.76

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Solution

The fourth proportional to 127,680.44, 176,230.02 and 73,956.76 is: 102,078.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,680.44 : 176,230.02 = 73,956.76 : x
  2. Step 2: Convert to fraction form
    127,680.44/176,230.02 = 73,956.76/x
  3. Step 3: Cross multiply
    127,680.44x = 176,230.02 × 73,956.76
  4. Step 4: Simplify right side
    127,680.44x = 13,033,401,293.94
  5. Step 5: Solve for x
    x = 13,033,401,293.94/127,680.44
  6. Step 6: Final answer
    x = 102,078.29

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1.5x scale

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.