Home / 274,715.12-412,225.78-148,352.70

Finding the Fourth Proportional to 274,715.12, 412,225.78 and 148,352.70

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Solution

The fourth proportional to 274,715.12, 412,225.78 and 148,352.70 is: 222,611.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,715.12 : 412,225.78 = 148,352.70 : x
  2. Step 2: Convert to fraction form
    274,715.12/412,225.78 = 148,352.70/x
  3. Step 3: Cross multiply
    274,715.12x = 412,225.78 × 148,352.70
  4. Step 4: Simplify right side
    274,715.12x = 61,154,807,472.61
  5. Step 5: Solve for x
    x = 61,154,807,472.61/274,715.12
  6. Step 6: Final answer
    x = 222,611.73

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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.