Home / 126,775.54-190,151.94-38,048.86

Finding the Fourth Proportional to 126,775.54, 190,151.94 and 38,048.86

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Solution

The fourth proportional to 126,775.54, 190,151.94 and 38,048.86 is: 57,069.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,775.54 : 190,151.94 = 38,048.86 : x
  2. Step 2: Convert to fraction form
    126,775.54/190,151.94 = 38,048.86/x
  3. Step 3: Cross multiply
    126,775.54x = 190,151.94 × 38,048.86
  4. Step 4: Simplify right side
    126,775.54x = 7,235,064,543.79
  5. Step 5: Solve for x
    x = 7,235,064,543.79/126,775.54
  6. Step 6: Final answer
    x = 57,069.88

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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.