Home / 173,707.20-260,366.40-89,434.80

Finding the Fourth Proportional to 173,707.20, 260,366.40 and 89,434.80

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Solution

The fourth proportional to 173,707.20, 260,366.40 and 89,434.80 is: 134,052.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,707.20 : 260,366.40 = 89,434.80 : x
  2. Step 2: Convert to fraction form
    173,707.20/260,366.40 = 89,434.80/x
  3. Step 3: Cross multiply
    173,707.20x = 260,366.40 × 89,434.80
  4. Step 4: Simplify right side
    173,707.20x = 23,285,816,910.72
  5. Step 5: Solve for x
    x = 23,285,816,910.72/173,707.20
  6. Step 6: Final answer
    x = 134,052.11

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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.