Home / 167,143.04-230,662.24-91,696.32

Finding the Fourth Proportional to 167,143.04, 230,662.24 and 91,696.32

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Solution

The fourth proportional to 167,143.04, 230,662.24 and 91,696.32 is: 126,543.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,143.04 : 230,662.24 = 91,696.32 : x
  2. Step 2: Convert to fraction form
    167,143.04/230,662.24 = 91,696.32/x
  3. Step 3: Cross multiply
    167,143.04x = 230,662.24 × 91,696.32
  4. Step 4: Simplify right side
    167,143.04x = 21,150,878,570.96
  5. Step 5: Solve for x
    x = 21,150,878,570.96/167,143.04
  6. Step 6: Final answer
    x = 126,543.58

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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.