Home / 127,949.50-176,513.21-74,203.39

Finding the Fourth Proportional to 127,949.50, 176,513.21 and 74,203.39

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Solution

The fourth proportional to 127,949.50, 176,513.21 and 74,203.39 is: 102,367.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,949.50 : 176,513.21 = 74,203.39 : x
  2. Step 2: Convert to fraction form
    127,949.50/176,513.21 = 74,203.39/x
  3. Step 3: Cross multiply
    127,949.50x = 176,513.21 × 74,203.39
  4. Step 4: Simplify right side
    127,949.50x = 13,097,877,679.22
  5. Step 5: Solve for x
    x = 13,097,877,679.22/127,949.50
  6. Step 6: Final answer
    x = 102,367.56

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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.