Home / 127,969.40-191,441.42-110,626.04

Finding the Fourth Proportional to 127,969.40, 191,441.42 and 110,626.04

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Solution

The fourth proportional to 127,969.40, 191,441.42 and 110,626.04 is: 165,495.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,969.40 : 191,441.42 = 110,626.04 : x
  2. Step 2: Convert to fraction form
    127,969.40/191,441.42 = 110,626.04/x
  3. Step 3: Cross multiply
    127,969.40x = 191,441.42 × 110,626.04
  4. Step 4: Simplify right side
    127,969.40x = 21,178,406,186.58
  5. Step 5: Solve for x
    x = 21,178,406,186.58/127,969.40
  6. Step 6: Final answer
    x = 165,495.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.