Home / 127,735.72-176,275.34-74,051.85

Finding the Fourth Proportional to 127,735.72, 176,275.34 and 74,051.85

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Solution

The fourth proportional to 127,735.72, 176,275.34 and 74,051.85 is: 102,191.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,735.72 : 176,275.34 = 74,051.85 : x
  2. Step 2: Convert to fraction form
    127,735.72/176,275.34 = 74,051.85/x
  3. Step 3: Cross multiply
    127,735.72x = 176,275.34 × 74,051.85
  4. Step 4: Simplify right side
    127,735.72x = 13,053,515,604.85
  5. Step 5: Solve for x
    x = 13,053,515,604.85/127,735.72
  6. Step 6: Final answer
    x = 102,191.59

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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.