Home / 152,828.47-228,944.49-100,078.03

Finding the Fourth Proportional to 152,828.47, 228,944.49 and 100,078.03

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Solution

The fourth proportional to 152,828.47, 228,944.49 and 100,078.03 is: 149,921.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,828.47 : 228,944.49 = 100,078.03 : x
  2. Step 2: Convert to fraction form
    152,828.47/228,944.49 = 100,078.03/x
  3. Step 3: Cross multiply
    152,828.47x = 228,944.49 × 100,078.03
  4. Step 4: Simplify right side
    152,828.47x = 22,912,314,012.38
  5. Step 5: Solve for x
    x = 22,912,314,012.38/152,828.47
  6. Step 6: Final answer
    x = 149,921.76

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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.