Home / 104,728.20-157,092.30-93,355.80

Finding the Fourth Proportional to 104,728.20, 157,092.30 and 93,355.80

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Solution

The fourth proportional to 104,728.20, 157,092.30 and 93,355.80 is: 140,033.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,728.20 : 157,092.30 = 93,355.80 : x
  2. Step 2: Convert to fraction form
    104,728.20/157,092.30 = 93,355.80/x
  3. Step 3: Cross multiply
    104,728.20x = 157,092.30 × 93,355.80
  4. Step 4: Simplify right side
    104,728.20x = 14,665,477,340.34
  5. Step 5: Solve for x
    x = 14,665,477,340.34/104,728.20
  6. Step 6: Final answer
    x = 140,033.70

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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.