Home / 168,686.75-232,695.59-108,190.08

Finding the Fourth Proportional to 168,686.75, 232,695.59 and 108,190.08

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Solution

The fourth proportional to 168,686.75, 232,695.59 and 108,190.08 is: 149,243.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,686.75 : 232,695.59 = 108,190.08 : x
  2. Step 2: Convert to fraction form
    168,686.75/232,695.59 = 108,190.08/x
  3. Step 3: Cross multiply
    168,686.75x = 232,695.59 × 108,190.08
  4. Step 4: Simplify right side
    168,686.75x = 25,175,353,956.80
  5. Step 5: Solve for x
    x = 25,175,353,956.80/168,686.75
  6. Step 6: Final answer
    x = 149,243.22

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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.