Home / 115,900.20-173,850.30-53,570.70

Finding the Fourth Proportional to 115,900.20, 173,850.30 and 53,570.70

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Solution

The fourth proportional to 115,900.20, 173,850.30 and 53,570.70 is: 80,356.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,900.20 : 173,850.30 = 53,570.70 : x
  2. Step 2: Convert to fraction form
    115,900.20/173,850.30 = 53,570.70/x
  3. Step 3: Cross multiply
    115,900.20x = 173,850.30 × 53,570.70
  4. Step 4: Simplify right side
    115,900.20x = 9,313,282,266.21
  5. Step 5: Solve for x
    x = 9,313,282,266.21/115,900.20
  6. Step 6: Final answer
    x = 80,356.05

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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.