Home / 171,120.08-236,108.76-99,463.43

Finding the Fourth Proportional to 171,120.08, 236,108.76 and 99,463.43

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Solution

The fourth proportional to 171,120.08, 236,108.76 and 99,463.43 is: 137,238.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,120.08 : 236,108.76 = 99,463.43 : x
  2. Step 2: Convert to fraction form
    171,120.08/236,108.76 = 99,463.43/x
  3. Step 3: Cross multiply
    171,120.08x = 236,108.76 × 99,463.43
  4. Step 4: Simplify right side
    171,120.08x = 23,484,185,942.10
  5. Step 5: Solve for x
    x = 23,484,185,942.10/171,120.08
  6. Step 6: Final answer
    x = 137,238.05

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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.