Home / 173,621.16-260,441.88-67,005.72

Finding the Fourth Proportional to 173,621.16, 260,441.88 and 67,005.72

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Solution

The fourth proportional to 173,621.16, 260,441.88 and 67,005.72 is: 100,512.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,621.16 : 260,441.88 = 67,005.72 : x
  2. Step 2: Convert to fraction form
    173,621.16/260,441.88 = 67,005.72/x
  3. Step 3: Cross multiply
    173,621.16x = 260,441.88 × 67,005.72
  4. Step 4: Simplify right side
    173,621.16x = 17,451,095,687.55
  5. Step 5: Solve for x
    x = 17,451,095,687.55/173,621.16
  6. Step 6: Final answer
    x = 100,512.49

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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.