Home / 173,391.20-260,086.80-106,906.40

Finding the Fourth Proportional to 173,391.20, 260,086.80 and 106,906.40

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Solution

The fourth proportional to 173,391.20, 260,086.80 and 106,906.40 is: 160,359.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,391.20 : 260,086.80 = 106,906.40 : x
  2. Step 2: Convert to fraction form
    173,391.20/260,086.80 = 106,906.40/x
  3. Step 3: Cross multiply
    173,391.20x = 260,086.80 × 106,906.40
  4. Step 4: Simplify right side
    173,391.20x = 27,804,943,475.52
  5. Step 5: Solve for x
    x = 27,804,943,475.52/173,391.20
  6. Step 6: Final answer
    x = 160,359.60

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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.