Home / 299,631.58-413,488.83-163,665.48

Finding the Fourth Proportional to 299,631.58, 413,488.83 and 163,665.48

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Solution

The fourth proportional to 299,631.58, 413,488.83 and 163,665.48 is: 225,856.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,631.58 : 413,488.83 = 163,665.48 : x
  2. Step 2: Convert to fraction form
    299,631.58/413,488.83 = 163,665.48/x
  3. Step 3: Cross multiply
    299,631.58x = 413,488.83 × 163,665.48
  4. Step 4: Simplify right side
    299,631.58x = 67,673,847,836.59
  5. Step 5: Solve for x
    x = 67,673,847,836.59/299,631.58
  6. Step 6: Final answer
    x = 225,856.86

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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.