Home / 283,738.64-425,607-84,060.56

Finding the Fourth Proportional to 283,738.64, 425,607 and 84,060.56

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Solution

The fourth proportional to 283,738.64, 425,607 and 84,060.56 is: 126,090.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,738.64 : 425,607 = 84,060.56 : x
  2. Step 2: Convert to fraction form
    283,738.64/425,607 = 84,060.56/x
  3. Step 3: Cross multiply
    283,738.64x = 425,607 × 84,060.56
  4. Step 4: Simplify right side
    283,738.64x = 35,776,762,759.92
  5. Step 5: Solve for x
    x = 35,776,762,759.92/283,738.64
  6. Step 6: Final answer
    x = 126,090.56

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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.