Home / 168,128.33-232,017.39-91,648.04

Finding the Fourth Proportional to 168,128.33, 232,017.39 and 91,648.04

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Solution

The fourth proportional to 168,128.33, 232,017.39 and 91,648.04 is: 126,474.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,128.33 : 232,017.39 = 91,648.04 : x
  2. Step 2: Convert to fraction form
    168,128.33/232,017.39 = 91,648.04/x
  3. Step 3: Cross multiply
    168,128.33x = 232,017.39 × 91,648.04
  4. Step 4: Simplify right side
    168,128.33x = 21,263,937,879.33
  5. Step 5: Solve for x
    x = 21,263,937,879.33/168,128.33
  6. Step 6: Final answer
    x = 126,474.45

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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.