Home / 149,472.40-223,906.20-93,139.60

Finding the Fourth Proportional to 149,472.40, 223,906.20 and 93,139.60

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Solution

The fourth proportional to 149,472.40, 223,906.20 and 93,139.60 is: 139,520.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,472.40 : 223,906.20 = 93,139.60 : x
  2. Step 2: Convert to fraction form
    149,472.40/223,906.20 = 93,139.60/x
  3. Step 3: Cross multiply
    149,472.40x = 223,906.20 × 93,139.60
  4. Step 4: Simplify right side
    149,472.40x = 20,854,533,905.52
  5. Step 5: Solve for x
    x = 20,854,533,905.52/149,472.40
  6. Step 6: Final answer
    x = 139,520.97

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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.