Home / 127,653.46-176,135.10-73,935.28

Finding the Fourth Proportional to 127,653.46, 176,135.10 and 73,935.28

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Solution

The fourth proportional to 127,653.46, 176,135.10 and 73,935.28 is: 102,015.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,653.46 : 176,135.10 = 73,935.28 : x
  2. Step 2: Convert to fraction form
    127,653.46/176,135.10 = 73,935.28/x
  3. Step 3: Cross multiply
    127,653.46x = 176,135.10 × 73,935.28
  4. Step 4: Simplify right side
    127,653.46x = 13,022,597,936.33
  5. Step 5: Solve for x
    x = 13,022,597,936.33/127,653.46
  6. Step 6: Final answer
    x = 102,015.24

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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.