Home / 152,732.28-228,983.22-100,155

Finding the Fourth Proportional to 152,732.28, 228,983.22 and 100,155

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Solution

The fourth proportional to 152,732.28, 228,983.22 and 100,155 is: 150,156.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,732.28 : 228,983.22 = 100,155 : x
  2. Step 2: Convert to fraction form
    152,732.28/228,983.22 = 100,155/x
  3. Step 3: Cross multiply
    152,732.28x = 228,983.22 × 100,155
  4. Step 4: Simplify right side
    152,732.28x = 22,933,814,399.10
  5. Step 5: Solve for x
    x = 22,933,814,399.10/152,732.28
  6. Step 6: Final answer
    x = 150,156.96

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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.