Home / 168,223.80-232,145.86-91,743.46

Finding the Fourth Proportional to 168,223.80, 232,145.86 and 91,743.46

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Solution

The fourth proportional to 168,223.80, 232,145.86 and 91,743.46 is: 126,604.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,223.80 : 232,145.86 = 91,743.46 : x
  2. Step 2: Convert to fraction form
    168,223.80/232,145.86 = 91,743.46/x
  3. Step 3: Cross multiply
    168,223.80x = 232,145.86 × 91,743.46
  4. Step 4: Simplify right side
    168,223.80x = 21,297,864,421.08
  5. Step 5: Solve for x
    x = 21,297,864,421.08/168,223.80
  6. Step 6: Final answer
    x = 126,604.35

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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.