Home / 167,837.99-231,621.45-103,344.45

Finding the Fourth Proportional to 167,837.99, 231,621.45 and 103,344.45

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Solution

The fourth proportional to 167,837.99, 231,621.45 and 103,344.45 is: 142,618.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,837.99 : 231,621.45 = 103,344.45 : x
  2. Step 2: Convert to fraction form
    167,837.99/231,621.45 = 103,344.45/x
  3. Step 3: Cross multiply
    167,837.99x = 231,621.45 × 103,344.45
  4. Step 4: Simplify right side
    167,837.99x = 23,936,791,358.45
  5. Step 5: Solve for x
    x = 23,936,791,358.45/167,837.99
  6. Step 6: Final answer
    x = 142,618.44

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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.