Home / 152,015.72-228,072.76-73,119.64

Finding the Fourth Proportional to 152,015.72, 228,072.76 and 73,119.64

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Solution

The fourth proportional to 152,015.72, 228,072.76 and 73,119.64 is: 109,703.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,015.72 : 228,072.76 = 73,119.64 : x
  2. Step 2: Convert to fraction form
    152,015.72/228,072.76 = 73,119.64/x
  3. Step 3: Cross multiply
    152,015.72x = 228,072.76 × 73,119.64
  4. Step 4: Simplify right side
    152,015.72x = 16,676,598,105.01
  5. Step 5: Solve for x
    x = 16,676,598,105.01/152,015.72
  6. Step 6: Final answer
    x = 109,703.12

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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.