Home / 126,996.15-190,480.86-52,124.22

Finding the Fourth Proportional to 126,996.15, 190,480.86 and 52,124.22

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Solution

The fourth proportional to 126,996.15, 190,480.86 and 52,124.22 is: 78,180.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,996.15 : 190,480.86 = 52,124.22 : x
  2. Step 2: Convert to fraction form
    126,996.15/190,480.86 = 52,124.22/x
  3. Step 3: Cross multiply
    126,996.15x = 190,480.86 × 52,124.22
  4. Step 4: Simplify right side
    126,996.15x = 9,928,666,252.43
  5. Step 5: Solve for x
    x = 9,928,666,252.43/126,996.15
  6. Step 6: Final answer
    x = 78,180.84

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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.