Home / 172,548.11-259,199.53-122,946.95

Finding the Fourth Proportional to 172,548.11, 259,199.53 and 122,946.95

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Solution

The fourth proportional to 172,548.11, 259,199.53 and 122,946.95 is: 184,689.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,548.11 : 259,199.53 = 122,946.95 : x
  2. Step 2: Convert to fraction form
    172,548.11/259,199.53 = 122,946.95/x
  3. Step 3: Cross multiply
    172,548.11x = 259,199.53 × 122,946.95
  4. Step 4: Simplify right side
    172,548.11x = 31,867,791,995.56
  5. Step 5: Solve for x
    x = 31,867,791,995.56/172,548.11
  6. Step 6: Final answer
    x = 184,689.31

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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.