Home / 115,885.20-173,626.20-53,427.60

Finding the Fourth Proportional to 115,885.20, 173,626.20 and 53,427.60

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Solution

The fourth proportional to 115,885.20, 173,626.20 and 53,427.60 is: 80,048.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,885.20 : 173,626.20 = 53,427.60 : x
  2. Step 2: Convert to fraction form
    115,885.20/173,626.20 = 53,427.60/x
  3. Step 3: Cross multiply
    115,885.20x = 173,626.20 × 53,427.60
  4. Step 4: Simplify right side
    115,885.20x = 9,276,431,163.12
  5. Step 5: Solve for x
    x = 9,276,431,163.12/115,885.20
  6. Step 6: Final answer
    x = 80,048.45

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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.