Home / 104,427.20-156,640.80-93,601.55

Finding the Fourth Proportional to 104,427.20, 156,640.80 and 93,601.55

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Solution

The fourth proportional to 104,427.20, 156,640.80 and 93,601.55 is: 140,402.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,427.20 : 156,640.80 = 93,601.55 : x
  2. Step 2: Convert to fraction form
    104,427.20/156,640.80 = 93,601.55/x
  3. Step 3: Cross multiply
    104,427.20x = 156,640.80 × 93,601.55
  4. Step 4: Simplify right side
    104,427.20x = 14,661,821,673.24
  5. Step 5: Solve for x
    x = 14,661,821,673.24/104,427.20
  6. Step 6: Final answer
    x = 140,402.33

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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.