Home / 168,686.39-232,695.06-108,189.71

Finding the Fourth Proportional to 168,686.39, 232,695.06 and 108,189.71

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Solution

The fourth proportional to 168,686.39, 232,695.06 and 108,189.71 is: 149,242.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,686.39 : 232,695.06 = 108,189.71 : x
  2. Step 2: Convert to fraction form
    168,686.39/232,695.06 = 108,189.71/x
  3. Step 3: Cross multiply
    168,686.39x = 232,695.06 × 108,189.71
  4. Step 4: Simplify right side
    168,686.39x = 25,175,211,059.83
  5. Step 5: Solve for x
    x = 25,175,211,059.83/168,686.39
  6. Step 6: Final answer
    x = 149,242.69

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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.