Home / 173,865.40-260,700.90-80,255.32

Finding the Fourth Proportional to 173,865.40, 260,700.90 and 80,255.32

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Solution

The fourth proportional to 173,865.40, 260,700.90 and 80,255.32 is: 120,338.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,865.40 : 260,700.90 = 80,255.32 : x
  2. Step 2: Convert to fraction form
    173,865.40/260,700.90 = 80,255.32/x
  3. Step 3: Cross multiply
    173,865.40x = 260,700.90 × 80,255.32
  4. Step 4: Simplify right side
    173,865.40x = 20,922,634,153.79
  5. Step 5: Solve for x
    x = 20,922,634,153.79/173,865.40
  6. Step 6: Final answer
    x = 120,338.11

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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.