Home / 168,033.26-231,875.08-100,055.23

Finding the Fourth Proportional to 168,033.26, 231,875.08 and 100,055.23

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Solution

The fourth proportional to 168,033.26, 231,875.08 and 100,055.23 is: 138,069.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,033.26 : 231,875.08 = 100,055.23 : x
  2. Step 2: Convert to fraction form
    168,033.26/231,875.08 = 100,055.23/x
  3. Step 3: Cross multiply
    168,033.26x = 231,875.08 × 100,055.23
  4. Step 4: Simplify right side
    168,033.26x = 23,200,313,630.84
  5. Step 5: Solve for x
    x = 23,200,313,630.84/168,033.26
  6. Step 6: Final answer
    x = 138,069.77

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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.