Home / 127,942.79-176,503.97-74,196.66

Finding the Fourth Proportional to 127,942.79, 176,503.97 and 74,196.66

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Solution

The fourth proportional to 127,942.79, 176,503.97 and 74,196.66 is: 102,358.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,942.79 : 176,503.97 = 74,196.66 : x
  2. Step 2: Convert to fraction form
    127,942.79/176,503.97 = 74,196.66/x
  3. Step 3: Cross multiply
    127,942.79x = 176,503.97 × 74,196.66
  4. Step 4: Simplify right side
    127,942.79x = 13,096,005,236.23
  5. Step 5: Solve for x
    x = 13,096,005,236.23/127,942.79
  6. Step 6: Final answer
    x = 102,358.29

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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.