Home / 154,042.71-230,862.76-111,491.41

Finding the Fourth Proportional to 154,042.71, 230,862.76 and 111,491.41

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Solution

The fourth proportional to 154,042.71, 230,862.76 and 111,491.41 is: 167,091.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,042.71 : 230,862.76 = 111,491.41 : x
  2. Step 2: Convert to fraction form
    154,042.71/230,862.76 = 111,491.41/x
  3. Step 3: Cross multiply
    154,042.71x = 230,862.76 × 111,491.41
  4. Step 4: Simplify right side
    154,042.71x = 25,739,213,773.01
  5. Step 5: Solve for x
    x = 25,739,213,773.01/154,042.71
  6. Step 6: Final answer
    x = 167,091.42

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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.