Home / 146,771.28-202,544.20-79,703.28

Finding the Fourth Proportional to 146,771.28, 202,544.20 and 79,703.28

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Solution

The fourth proportional to 146,771.28, 202,544.20 and 79,703.28 is: 109,990.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,771.28 : 202,544.20 = 79,703.28 : x
  2. Step 2: Convert to fraction form
    146,771.28/202,544.20 = 79,703.28/x
  3. Step 3: Cross multiply
    146,771.28x = 202,544.20 × 79,703.28
  4. Step 4: Simplify right side
    146,771.28x = 16,143,437,084.98
  5. Step 5: Solve for x
    x = 16,143,437,084.98/146,771.28
  6. Step 6: Final answer
    x = 109,990.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.