Home / 156,930.40-235,453.20-63,445.60

Finding the Fourth Proportional to 156,930.40, 235,453.20 and 63,445.60

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Solution

The fourth proportional to 156,930.40, 235,453.20 and 63,445.60 is: 95,191.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,930.40 : 235,453.20 = 63,445.60 : x
  2. Step 2: Convert to fraction form
    156,930.40/235,453.20 = 63,445.60/x
  3. Step 3: Cross multiply
    156,930.40x = 235,453.20 × 63,445.60
  4. Step 4: Simplify right side
    156,930.40x = 14,938,469,545.92
  5. Step 5: Solve for x
    x = 14,938,469,545.92/156,930.40
  6. Step 6: Final answer
    x = 95,191.69

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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.