Home / 149,722.55-224,583.83-70,990.55

Finding the Fourth Proportional to 149,722.55, 224,583.83 and 70,990.55

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Solution

The fourth proportional to 149,722.55, 224,583.83 and 70,990.55 is: 106,485.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,722.55 : 224,583.83 = 70,990.55 : x
  2. Step 2: Convert to fraction form
    149,722.55/224,583.83 = 70,990.55/x
  3. Step 3: Cross multiply
    149,722.55x = 224,583.83 × 70,990.55
  4. Step 4: Simplify right side
    149,722.55x = 15,943,329,257.85
  5. Step 5: Solve for x
    x = 15,943,329,257.85/149,722.55
  6. Step 6: Final answer
    x = 106,485.83

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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.