Home / 177,816.11-266,932.53-140,401.40

Finding the Fourth Proportional to 177,816.11, 266,932.53 and 140,401.40

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Solution

The fourth proportional to 177,816.11, 266,932.53 and 140,401.40 is: 210,766.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,816.11 : 266,932.53 = 140,401.40 : x
  2. Step 2: Convert to fraction form
    177,816.11/266,932.53 = 140,401.40/x
  3. Step 3: Cross multiply
    177,816.11x = 266,932.53 × 140,401.40
  4. Step 4: Simplify right side
    177,816.11x = 37,477,699,582.88
  5. Step 5: Solve for x
    x = 37,477,699,582.88/177,816.11
  6. Step 6: Final answer
    x = 210,766.62

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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.