Home / 126,936.10-190,477.05-48,106.90

Finding the Fourth Proportional to 126,936.10, 190,477.05 and 48,106.90

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Solution

The fourth proportional to 126,936.10, 190,477.05 and 48,106.90 is: 72,187.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,936.10 : 190,477.05 = 48,106.90 : x
  2. Step 2: Convert to fraction form
    126,936.10/190,477.05 = 48,106.90/x
  3. Step 3: Cross multiply
    126,936.10x = 190,477.05 × 48,106.90
  4. Step 4: Simplify right side
    126,936.10x = 9,163,260,396.65
  5. Step 5: Solve for x
    x = 9,163,260,396.65/126,936.10
  6. Step 6: Final answer
    x = 72,187.98

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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.