Home / 115,172.23-158,883.37-67,396.27

Finding the Fourth Proportional to 115,172.23, 158,883.37 and 67,396.27

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Solution

The fourth proportional to 115,172.23, 158,883.37 and 67,396.27 is: 92,975.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,172.23 : 158,883.37 = 67,396.27 : x
  2. Step 2: Convert to fraction form
    115,172.23/158,883.37 = 67,396.27/x
  3. Step 3: Cross multiply
    115,172.23x = 158,883.37 × 67,396.27
  4. Step 4: Simplify right side
    115,172.23x = 10,708,146,503.03
  5. Step 5: Solve for x
    x = 10,708,146,503.03/115,172.23
  6. Step 6: Final answer
    x = 92,975.07

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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.