Home / 127,949.88-176,513.73-74,203.74

Finding the Fourth Proportional to 127,949.88, 176,513.73 and 74,203.74

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Solution

The fourth proportional to 127,949.88, 176,513.73 and 74,203.74 is: 102,368.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,949.88 : 176,513.73 = 74,203.74 : x
  2. Step 2: Convert to fraction form
    127,949.88/176,513.73 = 74,203.74/x
  3. Step 3: Cross multiply
    127,949.88x = 176,513.73 × 74,203.74
  4. Step 4: Simplify right side
    127,949.88x = 13,097,978,927.35
  5. Step 5: Solve for x
    x = 13,097,978,927.35/127,949.88
  6. Step 6: Final answer
    x = 102,368.04

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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.