Home / 266,769.41-368,153.57-153,628.61

Finding the Fourth Proportional to 266,769.41, 368,153.57 and 153,628.61

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Solution

The fourth proportional to 266,769.41, 368,153.57 and 153,628.61 is: 212,014.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,769.41 : 368,153.57 = 153,628.61 : x
  2. Step 2: Convert to fraction form
    266,769.41/368,153.57 = 153,628.61/x
  3. Step 3: Cross multiply
    266,769.41x = 368,153.57 × 153,628.61
  4. Step 4: Simplify right side
    266,769.41x = 56,558,919,768.94
  5. Step 5: Solve for x
    x = 56,558,919,768.94/266,769.41
  6. Step 6: Final answer
    x = 212,014.27

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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.