Home / 126,957.38-190,271.14-51,992.50

Finding the Fourth Proportional to 126,957.38, 190,271.14 and 51,992.50

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Solution

The fourth proportional to 126,957.38, 190,271.14 and 51,992.50 is: 77,921.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,957.38 : 190,271.14 = 51,992.50 : x
  2. Step 2: Convert to fraction form
    126,957.38/190,271.14 = 51,992.50/x
  3. Step 3: Cross multiply
    126,957.38x = 190,271.14 × 51,992.50
  4. Step 4: Simplify right side
    126,957.38x = 9,892,672,246.45
  5. Step 5: Solve for x
    x = 9,892,672,246.45/126,957.38
  6. Step 6: Final answer
    x = 77,921.21

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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.