Home / 191,247.64-263,931.09-106,362.88

Finding the Fourth Proportional to 191,247.64, 263,931.09 and 106,362.88

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Solution

The fourth proportional to 191,247.64, 263,931.09 and 106,362.88 is: 146,785.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,247.64 : 263,931.09 = 106,362.88 : x
  2. Step 2: Convert to fraction form
    191,247.64/263,931.09 = 106,362.88/x
  3. Step 3: Cross multiply
    191,247.64x = 263,931.09 × 106,362.88
  4. Step 4: Simplify right side
    191,247.64x = 28,072,469,534.28
  5. Step 5: Solve for x
    x = 28,072,469,534.28/191,247.64
  6. Step 6: Final answer
    x = 146,785.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.