Home / 171,586.98-236,813.22-99,989.46

Finding the Fourth Proportional to 171,586.98, 236,813.22 and 99,989.46

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Solution

The fourth proportional to 171,586.98, 236,813.22 and 99,989.46 is: 137,998.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,586.98 : 236,813.22 = 99,989.46 : x
  2. Step 2: Convert to fraction form
    171,586.98/236,813.22 = 99,989.46/x
  3. Step 3: Cross multiply
    171,586.98x = 236,813.22 × 99,989.46
  4. Step 4: Simplify right side
    171,586.98x = 23,678,825,988.66
  5. Step 5: Solve for x
    x = 23,678,825,988.66/171,586.98
  6. Step 6: Final answer
    x = 137,998.97

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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.