Home / 168,120.23-232,004.39-91,639.32

Finding the Fourth Proportional to 168,120.23, 232,004.39 and 91,639.32

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Solution

The fourth proportional to 168,120.23, 232,004.39 and 91,639.32 is: 126,461.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,120.23 : 232,004.39 = 91,639.32 : x
  2. Step 2: Convert to fraction form
    168,120.23/232,004.39 = 91,639.32/x
  3. Step 3: Cross multiply
    168,120.23x = 232,004.39 × 91,639.32
  4. Step 4: Simplify right side
    168,120.23x = 21,260,724,536.61
  5. Step 5: Solve for x
    x = 21,260,724,536.61/168,120.23
  6. Step 6: Final answer
    x = 126,461.43

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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.