Home / 283,896.85-391,786.40-163,062.38

Finding the Fourth Proportional to 283,896.85, 391,786.40 and 163,062.38

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Solution

The fourth proportional to 283,896.85, 391,786.40 and 163,062.38 is: 225,031.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,896.85 : 391,786.40 = 163,062.38 : x
  2. Step 2: Convert to fraction form
    283,896.85/391,786.40 = 163,062.38/x
  3. Step 3: Cross multiply
    283,896.85x = 391,786.40 × 163,062.38
  4. Step 4: Simplify right side
    283,896.85x = 63,885,621,284.36
  5. Step 5: Solve for x
    x = 63,885,621,284.36/283,896.85
  6. Step 6: Final answer
    x = 225,031.10

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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.