Home / 126,823.98-190,178.46-47,882.20

Finding the Fourth Proportional to 126,823.98, 190,178.46 and 47,882.20

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Solution

The fourth proportional to 126,823.98, 190,178.46 and 47,882.20 is: 71,801.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,823.98 : 190,178.46 = 47,882.20 : x
  2. Step 2: Convert to fraction form
    126,823.98/190,178.46 = 47,882.20/x
  3. Step 3: Cross multiply
    126,823.98x = 190,178.46 × 47,882.20
  4. Step 4: Simplify right side
    126,823.98x = 9,106,163,057.41
  5. Step 5: Solve for x
    x = 9,106,163,057.41/126,823.98
  6. Step 6: Final answer
    x = 71,801.59

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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.