Home / 150,067.70-225,101.93-61,321.19

Finding the Fourth Proportional to 150,067.70, 225,101.93 and 61,321.19

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Solution

The fourth proportional to 150,067.70, 225,101.93 and 61,321.19 is: 91,981.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,067.70 : 225,101.93 = 61,321.19 : x
  2. Step 2: Convert to fraction form
    150,067.70/225,101.93 = 61,321.19/x
  3. Step 3: Cross multiply
    150,067.70x = 225,101.93 × 61,321.19
  4. Step 4: Simplify right side
    150,067.70x = 13,803,516,959.25
  5. Step 5: Solve for x
    x = 13,803,516,959.25/150,067.70
  6. Step 6: Final answer
    x = 91,981.93

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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.