Home / 251,622.22-377,453.82-71,721.40

Finding the Fourth Proportional to 251,622.22, 377,453.82 and 71,721.40

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Solution

The fourth proportional to 251,622.22, 377,453.82 and 71,721.40 is: 107,587.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,622.22 : 377,453.82 = 71,721.40 : x
  2. Step 2: Convert to fraction form
    251,622.22/377,453.82 = 71,721.40/x
  3. Step 3: Cross multiply
    251,622.22x = 377,453.82 × 71,721.40
  4. Step 4: Simplify right side
    251,622.22x = 27,071,516,405.75
  5. Step 5: Solve for x
    x = 27,071,516,405.75/251,622.22
  6. Step 6: Final answer
    x = 107,587.94

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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.