Home / 127,141.26-175,463.19-73,442.58

Finding the Fourth Proportional to 127,141.26, 175,463.19 and 73,442.58

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Solution

The fourth proportional to 127,141.26, 175,463.19 and 73,442.58 is: 101,355.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,141.26 : 175,463.19 = 73,442.58 : x
  2. Step 2: Convert to fraction form
    127,141.26/175,463.19 = 73,442.58/x
  3. Step 3: Cross multiply
    127,141.26x = 175,463.19 × 73,442.58
  4. Step 4: Simplify right side
    127,141.26x = 12,886,469,368.63
  5. Step 5: Solve for x
    x = 12,886,469,368.63/127,141.26
  6. Step 6: Final answer
    x = 101,355.53

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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.