Home / 234,331.76-351,551.10-76,556.72

Finding the Fourth Proportional to 234,331.76, 351,551.10 and 76,556.72

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Solution

The fourth proportional to 234,331.76, 351,551.10 and 76,556.72 is: 114,852.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,331.76 : 351,551.10 = 76,556.72 : x
  2. Step 2: Convert to fraction form
    234,331.76/351,551.10 = 76,556.72/x
  3. Step 3: Cross multiply
    234,331.76x = 351,551.10 × 76,556.72
  4. Step 4: Simplify right side
    234,331.76x = 26,913,599,128.39
  5. Step 5: Solve for x
    x = 26,913,599,128.39/234,331.76
  6. Step 6: Final answer
    x = 114,852.55

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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.