Home / 661,083.81-991,625.94-181,316.61

Finding the Fourth Proportional to 661,083.81, 991,625.94 and 181,316.61

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Solution

The fourth proportional to 661,083.81, 991,625.94 and 181,316.61 is: 271,974.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,083.81 : 991,625.94 = 181,316.61 : x
  2. Step 2: Convert to fraction form
    661,083.81/991,625.94 = 181,316.61/x
  3. Step 3: Cross multiply
    661,083.81x = 991,625.94 × 181,316.61
  4. Step 4: Simplify right side
    661,083.81x = 179,798,252,922.28
  5. Step 5: Solve for x
    x = 179,798,252,922.28/661,083.81
  6. Step 6: Final answer
    x = 271,974.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.