Home / 161,816.55-223,306.11-93,872.94

Finding the Fourth Proportional to 161,816.55, 223,306.11 and 93,872.94

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Solution

The fourth proportional to 161,816.55, 223,306.11 and 93,872.94 is: 129,544.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,816.55 : 223,306.11 = 93,872.94 : x
  2. Step 2: Convert to fraction form
    161,816.55/223,306.11 = 93,872.94/x
  3. Step 3: Cross multiply
    161,816.55x = 223,306.11 × 93,872.94
  4. Step 4: Simplify right side
    161,816.55x = 20,962,401,065.66
  5. Step 5: Solve for x
    x = 20,962,401,065.66/161,816.55
  6. Step 6: Final answer
    x = 129,544.23

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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.