Home / 127,738.37-176,270.44-74,013.82

Finding the Fourth Proportional to 127,738.37, 176,270.44 and 74,013.82

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Solution

The fourth proportional to 127,738.37, 176,270.44 and 74,013.82 is: 102,134.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,738.37 : 176,270.44 = 74,013.82 : x
  2. Step 2: Convert to fraction form
    127,738.37/176,270.44 = 74,013.82/x
  3. Step 3: Cross multiply
    127,738.37x = 176,270.44 × 74,013.82
  4. Step 4: Simplify right side
    127,738.37x = 13,046,448,617.48
  5. Step 5: Solve for x
    x = 13,046,448,617.48/127,738.37
  6. Step 6: Final answer
    x = 102,134.14

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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.