Home / 375,110.45-562,729.66-138,454.37

Finding the Fourth Proportional to 375,110.45, 562,729.66 and 138,454.37

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Solution

The fourth proportional to 375,110.45, 562,729.66 and 138,454.37 is: 207,705.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,110.45 : 562,729.66 = 138,454.37 : x
  2. Step 2: Convert to fraction form
    375,110.45/562,729.66 = 138,454.37/x
  3. Step 3: Cross multiply
    375,110.45x = 562,729.66 × 138,454.37
  4. Step 4: Simplify right side
    375,110.45x = 77,912,377,049.69
  5. Step 5: Solve for x
    x = 77,912,377,049.69/375,110.45
  6. Step 6: Final answer
    x = 207,705.17

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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.