Home / 152,215.46-228,318.49-72,310.95

Finding the Fourth Proportional to 152,215.46, 228,318.49 and 72,310.95

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Solution

The fourth proportional to 152,215.46, 228,318.49 and 72,310.95 is: 108,464.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,215.46 : 228,318.49 = 72,310.95 : x
  2. Step 2: Convert to fraction form
    152,215.46/228,318.49 = 72,310.95/x
  3. Step 3: Cross multiply
    152,215.46x = 228,318.49 × 72,310.95
  4. Step 4: Simplify right side
    152,215.46x = 16,509,926,733.69
  5. Step 5: Solve for x
    x = 16,509,926,733.69/152,215.46
  6. Step 6: Final answer
    x = 108,464.19

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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.