Home / 196,510.05-270,909.27-166,173.66

Finding the Fourth Proportional to 196,510.05, 270,909.27 and 166,173.66

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Solution

The fourth proportional to 196,510.05, 270,909.27 and 166,173.66 is: 229,087.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,510.05 : 270,909.27 = 166,173.66 : x
  2. Step 2: Convert to fraction form
    196,510.05/270,909.27 = 166,173.66/x
  3. Step 3: Cross multiply
    196,510.05x = 270,909.27 × 166,173.66
  4. Step 4: Simplify right side
    196,510.05x = 45,017,984,923.83
  5. Step 5: Solve for x
    x = 45,017,984,923.83/196,510.05
  6. Step 6: Final answer
    x = 229,087.44

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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.