Home / 127,798.49-176,401.87-82,476.56

Finding the Fourth Proportional to 127,798.49, 176,401.87 and 82,476.56

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Solution

The fourth proportional to 127,798.49, 176,401.87 and 82,476.56 is: 113,843.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,798.49 : 176,401.87 = 82,476.56 : x
  2. Step 2: Convert to fraction form
    127,798.49/176,401.87 = 82,476.56/x
  3. Step 3: Cross multiply
    127,798.49x = 176,401.87 × 82,476.56
  4. Step 4: Simplify right side
    127,798.49x = 14,549,019,649.98
  5. Step 5: Solve for x
    x = 14,549,019,649.98/127,798.49
  6. Step 6: Final answer
    x = 113,843.44

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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.