Home / 127,940.24-176,571.24-71,371.28

Finding the Fourth Proportional to 127,940.24, 176,571.24 and 71,371.28

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Solution

The fourth proportional to 127,940.24, 176,571.24 and 71,371.28 is: 98,500.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,940.24 : 176,571.24 = 71,371.28 : x
  2. Step 2: Convert to fraction form
    127,940.24/176,571.24 = 71,371.28/x
  3. Step 3: Cross multiply
    127,940.24x = 176,571.24 × 71,371.28
  4. Step 4: Simplify right side
    127,940.24x = 12,602,115,409.99
  5. Step 5: Solve for x
    x = 12,602,115,409.99/127,940.24
  6. Step 6: Final answer
    x = 98,500.01

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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.