Home / 126,935.76-190,354.42-67,739.14

Finding the Fourth Proportional to 126,935.76, 190,354.42 and 67,739.14

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Solution

The fourth proportional to 126,935.76, 190,354.42 and 67,739.14 is: 101,582.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,935.76 : 190,354.42 = 67,739.14 : x
  2. Step 2: Convert to fraction form
    126,935.76/190,354.42 = 67,739.14/x
  3. Step 3: Cross multiply
    126,935.76x = 190,354.42 × 67,739.14
  4. Step 4: Simplify right side
    126,935.76x = 12,894,444,706.00
  5. Step 5: Solve for x
    x = 12,894,444,706.00/126,935.76
  6. Step 6: Final answer
    x = 101,582.44

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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.