Home / 126,994.07-190,495.13-47,052.05

Finding the Fourth Proportional to 126,994.07, 190,495.13 and 47,052.05

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Solution

The fourth proportional to 126,994.07, 190,495.13 and 47,052.05 is: 70,579.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,994.07 : 190,495.13 = 47,052.05 : x
  2. Step 2: Convert to fraction form
    126,994.07/190,495.13 = 47,052.05/x
  3. Step 3: Cross multiply
    126,994.07x = 190,495.13 × 47,052.05
  4. Step 4: Simplify right side
    126,994.07x = 8,963,185,193.78
  5. Step 5: Solve for x
    x = 8,963,185,193.78/126,994.07
  6. Step 6: Final answer
    x = 70,579.56

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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.