Home / 126,822.98-190,176.96-47,881.20

Finding the Fourth Proportional to 126,822.98, 190,176.96 and 47,881.20

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Solution

The fourth proportional to 126,822.98, 190,176.96 and 47,881.20 is: 71,800.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,822.98 : 190,176.96 = 47,881.20 : x
  2. Step 2: Convert to fraction form
    126,822.98/190,176.96 = 47,881.20/x
  3. Step 3: Cross multiply
    126,822.98x = 190,176.96 × 47,881.20
  4. Step 4: Simplify right side
    126,822.98x = 9,105,901,057.15
  5. Step 5: Solve for x
    x = 9,105,901,057.15/126,822.98
  6. Step 6: Final answer
    x = 71,800.09

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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.