Home / 150,093.19-225,139.76-71,164.36

Finding the Fourth Proportional to 150,093.19, 225,139.76 and 71,164.36

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Solution

The fourth proportional to 150,093.19, 225,139.76 and 71,164.36 is: 106,746.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,093.19 : 225,139.76 = 71,164.36 : x
  2. Step 2: Convert to fraction form
    150,093.19/225,139.76 = 71,164.36/x
  3. Step 3: Cross multiply
    150,093.19x = 225,139.76 × 71,164.36
  4. Step 4: Simplify right side
    150,093.19x = 16,021,926,930.95
  5. Step 5: Solve for x
    x = 16,021,926,930.95/150,093.19
  6. Step 6: Final answer
    x = 106,746.53

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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.