Home / 102,953.43-154,380.74-43,757.01

Finding the Fourth Proportional to 102,953.43, 154,380.74 and 43,757.01

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Solution

The fourth proportional to 102,953.43, 154,380.74 and 43,757.01 is: 65,614.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,953.43 : 154,380.74 = 43,757.01 : x
  2. Step 2: Convert to fraction form
    102,953.43/154,380.74 = 43,757.01/x
  3. Step 3: Cross multiply
    102,953.43x = 154,380.74 × 43,757.01
  4. Step 4: Simplify right side
    102,953.43x = 6,755,239,365.20
  5. Step 5: Solve for x
    x = 6,755,239,365.20/102,953.43
  6. Step 6: Final answer
    x = 65,614.51

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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.