Home / 167,039.28-230,512.68-91,586.16

Finding the Fourth Proportional to 167,039.28, 230,512.68 and 91,586.16

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Solution

The fourth proportional to 167,039.28, 230,512.68 and 91,586.16 is: 126,388.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,039.28 : 230,512.68 = 91,586.16 : x
  2. Step 2: Convert to fraction form
    167,039.28/230,512.68 = 91,586.16/x
  3. Step 3: Cross multiply
    167,039.28x = 230,512.68 × 91,586.16
  4. Step 4: Simplify right side
    167,039.28x = 21,111,771,192.51
  5. Step 5: Solve for x
    x = 21,111,771,192.51/167,039.28
  6. Step 6: Final answer
    x = 126,388.06

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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.