Home / 168,055.12-231,905.64-96,441.04

Finding the Fourth Proportional to 168,055.12, 231,905.64 and 96,441.04

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Solution

The fourth proportional to 168,055.12, 231,905.64 and 96,441.04 is: 133,082.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,055.12 : 231,905.64 = 96,441.04 : x
  2. Step 2: Convert to fraction form
    168,055.12/231,905.64 = 96,441.04/x
  3. Step 3: Cross multiply
    168,055.12x = 231,905.64 × 96,441.04
  4. Step 4: Simplify right side
    168,055.12x = 22,365,221,103.47
  5. Step 5: Solve for x
    x = 22,365,221,103.47/168,055.12
  6. Step 6: Final answer
    x = 133,082.65

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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.