Home / 131,184.70-197,214.45-111,939.10

Finding the Fourth Proportional to 131,184.70, 197,214.45 and 111,939.10

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Solution

The fourth proportional to 131,184.70, 197,214.45 and 111,939.10 is: 168,281.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,184.70 : 197,214.45 = 111,939.10 : x
  2. Step 2: Convert to fraction form
    131,184.70/197,214.45 = 111,939.10/x
  3. Step 3: Cross multiply
    131,184.70x = 197,214.45 × 111,939.10
  4. Step 4: Simplify right side
    131,184.70x = 22,076,008,040.00
  5. Step 5: Solve for x
    x = 22,076,008,040.00/131,184.70
  6. Step 6: Final answer
    x = 168,281.88

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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.