Home / 127,735.82-176,275.48-74,051.95

Finding the Fourth Proportional to 127,735.82, 176,275.48 and 74,051.95

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Solution

The fourth proportional to 127,735.82, 176,275.48 and 74,051.95 is: 102,191.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,735.82 : 176,275.48 = 74,051.95 : x
  2. Step 2: Convert to fraction form
    127,735.82/176,275.48 = 74,051.95/x
  3. Step 3: Cross multiply
    127,735.82x = 176,275.48 × 74,051.95
  4. Step 4: Simplify right side
    127,735.82x = 13,053,542,405.37
  5. Step 5: Solve for x
    x = 13,053,542,405.37/127,735.82
  6. Step 6: Final answer
    x = 102,191.72

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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.