Home / 126,951.70-190,428.23-38,204.60

Finding the Fourth Proportional to 126,951.70, 190,428.23 and 38,204.60

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Solution

The fourth proportional to 126,951.70, 190,428.23 and 38,204.60 is: 57,307.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,951.70 : 190,428.23 = 38,204.60 : x
  2. Step 2: Convert to fraction form
    126,951.70/190,428.23 = 38,204.60/x
  3. Step 3: Cross multiply
    126,951.70x = 190,428.23 × 38,204.60
  4. Step 4: Simplify right side
    126,951.70x = 7,275,234,355.86
  5. Step 5: Solve for x
    x = 7,275,234,355.86/126,951.70
  6. Step 6: Final answer
    x = 57,307.10

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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.