Home / 185,606.26-256,141.56-100,723.36

Finding the Fourth Proportional to 185,606.26, 256,141.56 and 100,723.36

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Solution

The fourth proportional to 185,606.26, 256,141.56 and 100,723.36 is: 139,000.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,606.26 : 256,141.56 = 100,723.36 : x
  2. Step 2: Convert to fraction form
    185,606.26/256,141.56 = 100,723.36/x
  3. Step 3: Cross multiply
    185,606.26x = 256,141.56 × 100,723.36
  4. Step 4: Simplify right side
    185,606.26x = 25,799,438,558.84
  5. Step 5: Solve for x
    x = 25,799,438,558.84/185,606.26
  6. Step 6: Final answer
    x = 139,000.91

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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.