Home / 115,982.80-173,974.20-53,774.80

Finding the Fourth Proportional to 115,982.80, 173,974.20 and 53,774.80

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Solution

The fourth proportional to 115,982.80, 173,974.20 and 53,774.80 is: 80,662.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,982.80 : 173,974.20 = 53,774.80 : x
  2. Step 2: Convert to fraction form
    115,982.80/173,974.20 = 53,774.80/x
  3. Step 3: Cross multiply
    115,982.80x = 173,974.20 × 53,774.80
  4. Step 4: Simplify right side
    115,982.80x = 9,355,427,810.16
  5. Step 5: Solve for x
    x = 9,355,427,810.16/115,982.80
  6. Step 6: Final answer
    x = 80,662.20

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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.