Home / 167,981.96-231,748.62-116,981.12

Finding the Fourth Proportional to 167,981.96, 231,748.62 and 116,981.12

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Solution

The fourth proportional to 167,981.96, 231,748.62 and 116,981.12 is: 161,387.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,981.96 : 231,748.62 = 116,981.12 : x
  2. Step 2: Convert to fraction form
    167,981.96/231,748.62 = 116,981.12/x
  3. Step 3: Cross multiply
    167,981.96x = 231,748.62 × 116,981.12
  4. Step 4: Simplify right side
    167,981.96x = 27,110,213,126.05
  5. Step 5: Solve for x
    x = 27,110,213,126.05/167,981.96
  6. Step 6: Final answer
    x = 161,387.65

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1.5x scale

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.