Home / 149,913.60-224,611.20-70,857.60

Finding the Fourth Proportional to 149,913.60, 224,611.20 and 70,857.60

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Solution

The fourth proportional to 149,913.60, 224,611.20 and 70,857.60 is: 106,163.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,913.60 : 224,611.20 = 70,857.60 : x
  2. Step 2: Convert to fraction form
    149,913.60/224,611.20 = 70,857.60/x
  3. Step 3: Cross multiply
    149,913.60x = 224,611.20 × 70,857.60
  4. Step 4: Simplify right side
    149,913.60x = 15,915,410,565.12
  5. Step 5: Solve for x
    x = 15,915,410,565.12/149,913.60
  6. Step 6: Final answer
    x = 106,163.89

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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.