Home / 127,790.52-176,351.64-74,107.41

Finding the Fourth Proportional to 127,790.52, 176,351.64 and 74,107.41

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Solution

The fourth proportional to 127,790.52, 176,351.64 and 74,107.41 is: 102,268.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,790.52 : 176,351.64 = 74,107.41 : x
  2. Step 2: Convert to fraction form
    127,790.52/176,351.64 = 74,107.41/x
  3. Step 3: Cross multiply
    127,790.52x = 176,351.64 × 74,107.41
  4. Step 4: Simplify right side
    127,790.52x = 13,068,963,289.65
  5. Step 5: Solve for x
    x = 13,068,963,289.65/127,790.52
  6. Step 6: Final answer
    x = 102,268.64

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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.