Home / 146,701.20-202,446.90-79,633.20

Finding the Fourth Proportional to 146,701.20, 202,446.90 and 79,633.20

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Solution

The fourth proportional to 146,701.20, 202,446.90 and 79,633.20 is: 109,893.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,701.20 : 202,446.90 = 79,633.20 : x
  2. Step 2: Convert to fraction form
    146,701.20/202,446.90 = 79,633.20/x
  3. Step 3: Cross multiply
    146,701.20x = 202,446.90 × 79,633.20
  4. Step 4: Simplify right side
    146,701.20x = 16,121,494,477.08
  5. Step 5: Solve for x
    x = 16,121,494,477.08/146,701.20
  6. Step 6: Final answer
    x = 109,893.41

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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.