Home / 149,947.60-224,662.20-70,891.60

Finding the Fourth Proportional to 149,947.60, 224,662.20 and 70,891.60

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Solution

The fourth proportional to 149,947.60, 224,662.20 and 70,891.60 is: 106,214.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,947.60 : 224,662.20 = 70,891.60 : x
  2. Step 2: Convert to fraction form
    149,947.60/224,662.20 = 70,891.60/x
  3. Step 3: Cross multiply
    149,947.60x = 224,662.20 × 70,891.60
  4. Step 4: Simplify right side
    149,947.60x = 15,926,662,817.52
  5. Step 5: Solve for x
    x = 15,926,662,817.52/149,947.60
  6. Step 6: Final answer
    x = 106,214.86

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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.