Home / 126,954.14-190,443.15-35,769.20

Finding the Fourth Proportional to 126,954.14, 190,443.15 and 35,769.20

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Solution

The fourth proportional to 126,954.14, 190,443.15 and 35,769.20 is: 53,657.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,954.14 : 190,443.15 = 35,769.20 : x
  2. Step 2: Convert to fraction form
    126,954.14/190,443.15 = 35,769.20/x
  3. Step 3: Cross multiply
    126,954.14x = 190,443.15 × 35,769.20
  4. Step 4: Simplify right side
    126,954.14x = 6,811,998,168.76
  5. Step 5: Solve for x
    x = 6,811,998,168.76/126,954.14
  6. Step 6: Final answer
    x = 53,657.16

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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.