Home / 130,867.70-196,302.77-84,153.38

Finding the Fourth Proportional to 130,867.70, 196,302.77 and 84,153.38

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Solution

The fourth proportional to 130,867.70, 196,302.77 and 84,153.38 is: 126,230.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,867.70 : 196,302.77 = 84,153.38 : x
  2. Step 2: Convert to fraction form
    130,867.70/196,302.77 = 84,153.38/x
  3. Step 3: Cross multiply
    130,867.70x = 196,302.77 × 84,153.38
  4. Step 4: Simplify right side
    130,867.70x = 16,519,540,196.58
  5. Step 5: Solve for x
    x = 16,519,540,196.58/130,867.70
  6. Step 6: Final answer
    x = 126,230.85

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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.