Home / 104,617.20-156,925.80-52,129.20

Finding the Fourth Proportional to 104,617.20, 156,925.80 and 52,129.20

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Solution

The fourth proportional to 104,617.20, 156,925.80 and 52,129.20 is: 78,193.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,617.20 : 156,925.80 = 52,129.20 : x
  2. Step 2: Convert to fraction form
    104,617.20/156,925.80 = 52,129.20/x
  3. Step 3: Cross multiply
    104,617.20x = 156,925.80 × 52,129.20
  4. Step 4: Simplify right side
    104,617.20x = 8,180,416,413.36
  5. Step 5: Solve for x
    x = 8,180,416,413.36/104,617.20
  6. Step 6: Final answer
    x = 78,193.80

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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.