Home / 300,733.05-415,011.58-164,772.15

Finding the Fourth Proportional to 300,733.05, 415,011.58 and 164,772.15

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Solution

The fourth proportional to 300,733.05, 415,011.58 and 164,772.15 is: 227,385.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,733.05 : 415,011.58 = 164,772.15 : x
  2. Step 2: Convert to fraction form
    300,733.05/415,011.58 = 164,772.15/x
  3. Step 3: Cross multiply
    300,733.05x = 415,011.58 × 164,772.15
  4. Step 4: Simplify right side
    300,733.05x = 68,382,350,311.50
  5. Step 5: Solve for x
    x = 68,382,350,311.50/300,733.05
  6. Step 6: Final answer
    x = 227,385.55

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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.