Home / 126,624.78-190,001.97-51,800.22

Finding the Fourth Proportional to 126,624.78, 190,001.97 and 51,800.22

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Solution

The fourth proportional to 126,624.78, 190,001.97 and 51,800.22 is: 77,726.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,624.78 : 190,001.97 = 51,800.22 : x
  2. Step 2: Convert to fraction form
    126,624.78/190,001.97 = 51,800.22/x
  3. Step 3: Cross multiply
    126,624.78x = 190,001.97 × 51,800.22
  4. Step 4: Simplify right side
    126,624.78x = 9,842,143,846.43
  5. Step 5: Solve for x
    x = 9,842,143,846.43/126,624.78
  6. Step 6: Final answer
    x = 77,726.84

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1.5x scale

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.