Home / 266,775.41-368,161.86-153,634.61

Finding the Fourth Proportional to 266,775.41, 368,161.86 and 153,634.61

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Solution

The fourth proportional to 266,775.41, 368,161.86 and 153,634.61 is: 212,022.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,775.41 : 368,161.86 = 153,634.61 : x
  2. Step 2: Convert to fraction form
    266,775.41/368,161.86 = 153,634.61/x
  3. Step 3: Cross multiply
    266,775.41x = 368,161.86 × 153,634.61
  4. Step 4: Simplify right side
    266,775.41x = 56,562,401,937.17
  5. Step 5: Solve for x
    x = 56,562,401,937.17/266,775.41
  6. Step 6: Final answer
    x = 212,022.55

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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.