Home / 173,872.40-260,614.20-74,015.60

Finding the Fourth Proportional to 173,872.40, 260,614.20 and 74,015.60

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Solution

The fourth proportional to 173,872.40, 260,614.20 and 74,015.60 is: 110,940.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,872.40 : 260,614.20 = 74,015.60 : x
  2. Step 2: Convert to fraction form
    173,872.40/260,614.20 = 74,015.60/x
  3. Step 3: Cross multiply
    173,872.40x = 260,614.20 × 74,015.60
  4. Step 4: Simplify right side
    173,872.40x = 19,289,516,381.52
  5. Step 5: Solve for x
    x = 19,289,516,381.52/173,872.40
  6. Step 6: Final answer
    x = 110,940.65

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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.