Home / 171,373.20-236,523.80-99,795.43

Finding the Fourth Proportional to 171,373.20, 236,523.80 and 99,795.43

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Solution

The fourth proportional to 171,373.20, 236,523.80 and 99,795.43 is: 137,734.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,373.20 : 236,523.80 = 99,795.43 : x
  2. Step 2: Convert to fraction form
    171,373.20/236,523.80 = 99,795.43/x
  3. Step 3: Cross multiply
    171,373.20x = 236,523.80 × 99,795.43
  4. Step 4: Simplify right side
    171,373.20x = 23,603,993,393.10
  5. Step 5: Solve for x
    x = 23,603,993,393.10/171,373.20
  6. Step 6: Final answer
    x = 137,734.45

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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.