Home / 115,969.20-173,752.20-53,511.60

Finding the Fourth Proportional to 115,969.20, 173,752.20 and 53,511.60

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Solution

The fourth proportional to 115,969.20, 173,752.20 and 53,511.60 is: 80,174.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,969.20 : 173,752.20 = 53,511.60 : x
  2. Step 2: Convert to fraction form
    115,969.20/173,752.20 = 53,511.60/x
  3. Step 3: Cross multiply
    115,969.20x = 173,752.20 × 53,511.60
  4. Step 4: Simplify right side
    115,969.20x = 9,297,758,225.52
  5. Step 5: Solve for x
    x = 9,297,758,225.52/115,969.20
  6. Step 6: Final answer
    x = 80,174.38

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1.5x scale

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.